28057895555 has 32 divisors (see below), whose sum is σ = 36670986240. Its totient is φ = 20530506240.

The previous prime is 28057895543. The next prime is 28057895563. The reversal of 28057895555 is 55559875082.

It is not a de Polignac number, because 28057895555 - 2⁴ = 28057895539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28057895494 and 28057895503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1264184 + ... + 1286186.

It is an arithmetic number, because the mean of its divisors is an integer number (1145968320).

Almost surely, 2^28057895555 is an apocalyptic number.

28057895555 is a deficient number, since it is larger than the sum of its proper divisors (8613090685).

28057895555 is a wasteful number, since it uses less digits than its factorization.

28057895555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22491.

The product of its (nonzero) digits is 25200000, while the sum is 59.

The spelling of 28057895555 in words is "twenty-eight billion, fifty-seven million, eight hundred ninety-five thousand, five hundred fifty-five".