28658832736 has 24 divisors (see below), whose sum is σ = 56428659504. Its totient is φ = 14327744640.

The previous prime is 28658832733. The next prime is 28658832737. The reversal of 28658832736 is 63723885682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28658832733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253941 + ... + 349003.

It is an arithmetic number, because the mean of its divisors is an integer number (2351194146).

Almost surely, 2^28658832736 is an apocalyptic number.

It is an amenable number.

28658832736 is a deficient number, since it is larger than the sum of its proper divisors (27769826768).

28658832736 is an equidigital number, since it uses as much as digits as its factorization.

28658832736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104494 (or 104486 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The spelling of 28658832736 in words is "twenty-eight billion, six hundred fifty-eight million, eight hundred thirty-two thousand, seven hundred thirty-six".