57623058978 has 16 divisors (see below), whose sum is σ = 115740739296. Its totient is φ = 19125249440.

The previous prime is 57623058967. The next prime is 57623058991. The reversal of 57623058978 is 87985032675.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20607708 + ... + 20610503.

It is an arithmetic number, because the mean of its divisors is an integer number (7233796206).

Almost surely, 2^57623058978 is an apocalyptic number.

57623058978 is an abundant number, since it is smaller than the sum of its proper divisors (58117680318).

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

57623058978 is a wasteful number, since it uses less digits than its factorization.

57623058978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41218449.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 57623058978 in words is "fifty-seven billion, six hundred twenty-three million, fifty-eight thousand, nine hundred seventy-eight".