57591078377 has 4 divisors (see below), whose sum is σ = 65818375296. Its totient is φ = 49363781460.

The previous prime is 57591078359. The next prime is 57591078401. The reversal of 57591078377 is 77387019575.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-57591078377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57591078317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4113648449 + ... + 4113648462.

It is an arithmetic number, because the mean of its divisors is an integer number (16454593824).

Almost surely, 2^57591078377 is an apocalyptic number.

It is an amenable number.

57591078377 is a deficient number, since it is larger than the sum of its proper divisors (8227296919).

57591078377 is an equidigital number, since it uses as much as digits as its factorization.

57591078377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227296918.

The product of its (nonzero) digits is 12965400, while the sum is 59.

The spelling of 57591078377 in words is "fifty-seven billion, five hundred ninety-one million, seventy-eight thousand, three hundred seventy-seven".