57478850767 has 12 divisors (see below), whose sum is σ = 62273399400. Its totient is φ = 53029280928.

The previous prime is 57478850719. The next prime is 57478850801. The reversal of 57478850767 is 76705887475.

It is not a de Polignac number, because 57478850767 - 2¹¹ = 57478848719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57478850699 and 57478850708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57478850717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233109 + ... + 411457.

It is an arithmetic number, because the mean of its divisors is an integer number (5189449950).

Almost surely, 2^57478850767 is an apocalyptic number.

57478850767 is a deficient number, since it is larger than the sum of its proper divisors (4794548633).

57478850767 is a wasteful number, since it uses less digits than its factorization.

57478850767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180282 (or 180269 counting only the distinct ones).

The product of its (nonzero) digits is 92198400, while the sum is 64.

The spelling of 57478850767 in words is "fifty-seven billion, four hundred seventy-eight million, eight hundred fifty thousand, seven hundred sixty-seven".