57922891691 has 16 divisors (see below), whose sum is σ = 70099102656. Its totient is φ = 46722686976.

The previous prime is 57922891673. The next prime is 57922891711. The reversal of 57922891691 is 19619822975.

It is not a de Polignac number, because 57922891691 - 2²⁶ = 57855782827 is a prime.

It is a super-2 number, since 2×57922891691² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57922891691.

It is not an unprimeable number, because it can be changed into a prime (57922891601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419425 + ... + 1459661.

It is an arithmetic number, because the mean of its divisors is an integer number (4381193916).

Almost surely, 2^57922891691 is an apocalyptic number.

57922891691 is a deficient number, since it is larger than the sum of its proper divisors (12176210965).

57922891691 is a wasteful number, since it uses less digits than its factorization.

57922891691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52358.

The product of its digits is 4898880, while the sum is 59.

The spelling of 57922891691 in words is "fifty-seven billion, nine hundred twenty-two million, eight hundred ninety-one thousand, six hundred ninety-one".