28758056060864 has 28 divisors (see below), whose sum is σ = 61456518843384. Its totient is φ = 13272948950784.

The previous prime is 28758056060827. The next prime is 28758056060897. The reversal of 28758056060864 is 46806065085782.

It is a self number, because there is not a number n which added to its sum of digits gives 28758056060864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17282484782 + ... + 17282486445.

It is an arithmetic number, because the mean of its divisors is an integer number (2194875672978).

Almost surely, 2^{28758056060864} is an apocalyptic number.

It is an amenable number.

28758056060864 is an abundant number, since it is smaller than the sum of its proper divisors (32698462782520).

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

28758056060864 is a wasteful number, since it uses less digits than its factorization.

28758056060864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34564971252 (or 34564971242 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 65.

The spelling of 28758056060864 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, eight hundred sixty-four".