28656796351458 has 24 divisors (see below), whose sum is σ = 62997585369264. Its totient is φ = 8683877682040.

The previous prime is 28656796351457. The next prime is 28656796351489. The reversal of 28656796351458 is 85415369765682.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28656796351458.

It is not an unprimeable number, because it can be changed into a prime (28656796351457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19736084916 + ... + 19736086367.

It is an arithmetic number, because the mean of its divisors is an integer number (2624899390386).

Almost surely, 2^{28656796351458} is an apocalyptic number.

28656796351458 is an abundant number, since it is smaller than the sum of its proper divisors (34340789017806).

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

28656796351458 is a wasteful number, since it uses less digits than its factorization.

28656796351458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39472171310 (or 39472171299 counting only the distinct ones).

The product of its digits is 2612736000, while the sum is 75.

The spelling of 28656796351458 in words is "twenty-eight trillion, six hundred fifty-six billion, seven hundred ninety-six million, three hundred fifty-one thousand, four hundred fifty-eight".