28476712512 has 280 divisors, whose sum is σ = 89753114880. Its totient is φ = 8896573440.

The previous prime is 28476712493. The next prime is 28476712531. The reversal of 28476712512 is 21521767482.

28476712512 is a `hidden beast` number, since 28 + 47 + 6 + 71 + 2 + 512 = 666.

It is an interprime number because it is at equal distance from previous prime (28476712493) and next prime (28476712531).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27407289 + ... + 27408327.

Almost surely, 2^28476712512 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 28476712512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44876557440).

28476712512 is an abundant number, since it is smaller than the sum of its proper divisors (61276402368).

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

28476712512 is a wasteful number, since it uses less digits than its factorization.

28476712512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1372 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The spelling of 28476712512 in words is "twenty-eight billion, four hundred seventy-six million, seven hundred twelve thousand, five hundred twelve".