28937562969 has 16 divisors (see below), whose sum is σ = 44104056192. Its totient is φ = 16532479488.

The previous prime is 28937562949. The next prime is 28937562991. The reversal of 28937562969 is 96926573982.

It is not a de Polignac number, because 28937562969 - 2⁸ = 28937562713 is a prime.

It is a super-2 number, since 2×28937562969² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28937562949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25494 + ... + 241919.

It is an arithmetic number, because the mean of its divisors is an integer number (2756503512).

Almost surely, 2^28937562969 is an apocalyptic number.

It is an amenable number.

28937562969 is a deficient number, since it is larger than the sum of its proper divisors (15166493223).

28937562969 is a wasteful number, since it uses less digits than its factorization.

28937562969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272576.

The product of its digits is 88179840, while the sum is 66.

The spelling of 28937562969 in words is "twenty-eight billion, nine hundred thirty-seven million, five hundred sixty-two thousand, nine hundred sixty-nine".