57447400647 has 16 divisors (see below), whose sum is σ = 94272657920. Its totient is φ = 30301925472.

The previous prime is 57447400609. The next prime is 57447400651. The reversal of 57447400647 is 74600474475.

It is not a de Polignac number, because 57447400647 - 2⁶ = 57447400583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57447400596 and 57447400605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57447400547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105214747 + ... + 105215292.

It is an arithmetic number, because the mean of its divisors is an integer number (5892041120).

Almost surely, 2^57447400647 is an apocalyptic number.

57447400647 is a deficient number, since it is larger than the sum of its proper divisors (36825257273).

57447400647 is a wasteful number, since it uses less digits than its factorization.

57447400647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210430062.

The product of its (nonzero) digits is 2634240, while the sum is 48.

The spelling of 57447400647 in words is "fifty-seven billion, four hundred forty-seven million, four hundred thousand, six hundred forty-seven".