57478812327 has 40 divisors (see below), whose sum is σ = 87299989920. Its totient is φ = 37680914880.

The previous prime is 57478812323. The next prime is 57478812341. The reversal of 57478812327 is 72321887475.

57478812327 is a `hidden beast` number, since 57 + 478 + 81 + 23 + 27 = 666.

It is not a de Polignac number, because 57478812327 - 2² = 57478812323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57478812323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2224293 + ... + 2249985.

It is an arithmetic number, because the mean of its divisors is an integer number (2182499748).

Almost surely, 2^57478812327 is an apocalyptic number.

57478812327 is a deficient number, since it is larger than the sum of its proper divisors (29821177593).

57478812327 is a wasteful number, since it uses less digits than its factorization.

57478812327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26165 (or 26156 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The spelling of 57478812327 in words is "fifty-seven billion, four hundred seventy-eight million, eight hundred twelve thousand, three hundred twenty-seven".