472816577506857 has 24 divisors (see below), whose sum is σ = 633822714636000. Its totient is φ = 313519801209216.

The previous prime is 472816577506849. The next prime is 472816577506921. The reversal of 472816577506857 is 758605775618274.

It is not a de Polignac number, because 472816577506857 - 2³ = 472816577506849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472816577506057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400967994 + ... + 402145452.

It is an arithmetic number, because the mean of its divisors is an integer number (26409279776500).

Almost surely, 2^{472816577506857} is an apocalyptic number.

It is an amenable number.

472816577506857 is a deficient number, since it is larger than the sum of its proper divisors (161006137129143).

472816577506857 is a wasteful number, since it uses less digits than its factorization.

472816577506857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181305 (or 1181108 counting only the distinct ones).

The product of its (nonzero) digits is 5531904000, while the sum is 78.

The spelling of 472816577506857 in words is "four hundred seventy-two trillion, eight hundred sixteen billion, five hundred seventy-seven million, five hundred six thousand, eight hundred fifty-seven".