28798683779160 has 48 divisors (see below), whose sum is σ = 93595722283440. Its totient is φ = 7679649007680.

The previous prime is 28798683779149. The next prime is 28798683779221. The reversal of 28798683779160 is 6197738689782.

28798683779160 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 86 + 8 + 377 + 9 + 160 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28798683779160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39998171556 + ... + 39998172275.

It is an arithmetic number, because the mean of its divisors is an integer number (1949910880905).

Almost surely, 2^{28798683779160} is an apocalyptic number.

28798683779160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28798683779160 is an abundant number, since it is smaller than the sum of its proper divisors (64797038504280).

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

28798683779160 is a wasteful number, since it uses less digits than its factorization.

28798683779160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79996343848 (or 79996343841 counting only the distinct ones).

The product of its (nonzero) digits is 3072577536, while the sum is 81.

The spelling of 28798683779160 in words is "twenty-eight trillion, seven hundred ninety-eight billion, six hundred eighty-three million, seven hundred seventy-nine thousand, one hundred sixty".