28623908376576 has 936 divisors, whose sum is σ = 91957185444800. Its totient is φ = 8881271930880.

The previous prime is 28623908376571. The next prime is 28623908376587. The reversal of 28623908376576 is 67567380932682.

28623908376576 is a `hidden beast` number, since 2 + 86 + 2 + 390 + 8 + 37 + 65 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (28623908376571) 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, 31146798645 + ... + 31146799563.

Almost surely, 2^{28623908376576} 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 28623908376576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45978592722400).

28623908376576 is an abundant number, since it is smaller than the sum of its proper divisors (63333277068224).

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

28623908376576 is an frugal number, since it uses more digits than its factorization.

28623908376576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 72.

The spelling of 28623908376576 in words is "twenty-eight trillion, six hundred twenty-three billion, nine hundred eight million, three hundred seventy-six thousand, five hundred seventy-six".