28531029796 has 12 divisors (see below), whose sum is σ = 49969870720. Its totient is φ = 14253923880.

The previous prime is 28531029763. The next prime is 28531029797. The reversal of 28531029796 is 69792013582.

It is a super-2 number, since 2×28531029796² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28531029797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2892216 + ... + 2902063.

Almost surely, 2^28531029796 is an apocalyptic number.

It is an amenable number.

28531029796 is a deficient number, since it is larger than the sum of its proper divisors (21438840924).

28531029796 is a wasteful number, since it uses less digits than its factorization.

28531029796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795514 (or 5795512 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 28531029796 in words is "twenty-eight billion, five hundred thirty-one million, twenty-nine thousand, seven hundred ninety-six".