57797457973 has 8 divisors (see below), whose sum is σ = 61202117592. Its totient is φ = 54393332736.

The previous prime is 57797457967. The next prime is 57797457989. The reversal of 57797457973 is 37975479775.

It can be written as a sum of positive squares in 4 ways, for example, as 5627700324 + 52169757649 = 75018^2 + 228407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-57797457973 is a prime.

It is a super-2 number, since 2×57797457973² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57797457943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100861 + ... + 354637.

It is an arithmetic number, because the mean of its divisors is an integer number (7650264699).

Almost surely, 2^57797457973 is an apocalyptic number.

It is an amenable number.

57797457973 is a deficient number, since it is larger than the sum of its proper divisors (3404659619).

57797457973 is a wasteful number, since it uses less digits than its factorization.

57797457973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267191.

The product of its digits is 408410100, while the sum is 70.

The spelling of 57797457973 in words is "fifty-seven billion, seven hundred ninety-seven million, four hundred fifty-seven thousand, nine hundred seventy-three".