57971626438 has 8 divisors (see below), whose sum is σ = 94862661480. Its totient is φ = 26350739280.

The previous prime is 57971626423. The next prime is 57971626439. The reversal of 57971626438 is 83462617975.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57971626439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317536943 + ... + 1317536986.

It is an arithmetic number, because the mean of its divisors is an integer number (11857832685).

Almost surely, 2^57971626438 is an apocalyptic number.

57971626438 is a deficient number, since it is larger than the sum of its proper divisors (36891035042).

57971626438 is a wasteful number, since it uses less digits than its factorization.

57971626438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635073942.

The product of its digits is 15240960, while the sum is 58.

The spelling of 57971626438 in words is "fifty-seven billion, nine hundred seventy-one million, six hundred twenty-six thousand, four hundred thirty-eight".