477993118057 has 48 divisors (see below), whose sum is σ = 602544232080. Its totient is φ = 375837622272.

The previous prime is 477993118039. The next prime is 477993118069. The reversal of 477993118057 is 750811399774.

It can be written as a sum of positive squares in 8 ways, for example, as 340734681 + 477652383376 = 18459^2 + 691124^2 .

It is not a de Polignac number, because 477993118057 - 2¹⁹ = 477992593769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 477993117986 and 477993118004.

It is not an unprimeable number, because it can be changed into a prime (477993118157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74811819 + ... + 74818207.

It is an arithmetic number, because the mean of its divisors is an integer number (12553004835).

Almost surely, 2^477993118057 is an apocalyptic number.

It is an amenable number.

477993118057 is a deficient number, since it is larger than the sum of its proper divisors (124551114023).

477993118057 is a wasteful number, since it uses less digits than its factorization.

477993118057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130 (or 7123 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 61.

The spelling of 477993118057 in words is "four hundred seventy-seven billion, nine hundred ninety-three million, one hundred eighteen thousand, fifty-seven".