28479829756 has 24 divisors (see below), whose sum is σ = 57408167936. Its totient is φ = 12109532400.

The previous prime is 28479829727. The next prime is 28479829759. The reversal of 28479829756 is 65792897482.

It is a super-2 number, since 2×28479829756² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28479829691 and 28479829700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28479829759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000920 + ... + 4008031.

Almost surely, 2^28479829756 is an apocalyptic number.

It is an amenable number.

28479829756 is an abundant number, since it is smaller than the sum of its proper divisors (28928338180).

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

28479829756 is a wasteful number, since it uses less digits than its factorization.

28479829756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009089 (or 8009087 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 67.

The spelling of 28479829756 in words is "twenty-eight billion, four hundred seventy-nine million, eight hundred twenty-nine thousand, seven hundred fifty-six".