28495970711712 has 432 divisors, whose sum is σ = 97918854808320. Its totient is φ = 8128226921472.

The previous prime is 28495970711707. The next prime is 28495970711717. The reversal of 28495970711712 is 21711707959482.

28495970711712 is a `hidden beast` number, since 2 + 8 + 495 + 9 + 7 + 0 + 71 + 1 + 71 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (28495970711707) and next prime (28495970711717).

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 28495970711712.

It is not an unprimeable number, because it can be changed into a prime (28495970711717) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 231219964 + ... + 231343172.

It is an arithmetic number, because the mean of its divisors is an integer number (226664015760).

Almost surely, 2^{28495970711712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28495970711712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48959427404160).

28495970711712 is an abundant number, since it is smaller than the sum of its proper divisors (69422884096608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28495970711712 is a wasteful number, since it uses less digits than its factorization.

28495970711712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123855 (or 123828 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 63.

The spelling of 28495970711712 in words is "twenty-eight trillion, four hundred ninety-five billion, nine hundred seventy million, seven hundred eleven thousand, seven hundred twelve".