57780885154 has 24 divisors (see below), whose sum is σ = 91159607952. Its totient is φ = 27464718600.

The previous prime is 57780885133. The next prime is 57780885163. The reversal of 57780885154 is 45158808775.

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, 4929 + ... + 339979.

It is an arithmetic number, because the mean of its divisors is an integer number (3798316998).

Almost surely, 2^57780885154 is an apocalyptic number.

57780885154 is a deficient number, since it is larger than the sum of its proper divisors (33378722798).

57780885154 is a wasteful number, since it uses less digits than its factorization.

57780885154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335262 (or 335239 counting only the distinct ones).

The product of its (nonzero) digits is 12544000, while the sum is 58.

The spelling of 57780885154 in words is "fifty-seven billion, seven hundred eighty million, eight hundred eighty-five thousand, one hundred fifty-four".