57172268865 has 8 divisors (see below), whose sum is σ = 91475630208. Its totient is φ = 30491876720.

The previous prime is 57172268861. The next prime is 57172268873. The reversal of 57172268865 is 56886227175.

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

It is not a de Polignac number, because 57172268865 - 2² = 57172268861 is a prime.

It is a super-3 number, since 3×57172268865³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (57172268861) 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, 1905742281 + ... + 1905742310.

It is an arithmetic number, because the mean of its divisors is an integer number (11434453776).

Almost surely, 2^57172268865 is an apocalyptic number.

It is an amenable number.

57172268865 is a deficient number, since it is larger than the sum of its proper divisors (34303361343).

57172268865 is a wasteful number, since it uses less digits than its factorization.

57172268865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811484599.

The product of its digits is 11289600, while the sum is 57.

The spelling of 57172268865 in words is "fifty-seven billion, one hundred seventy-two million, two hundred sixty-eight thousand, eight hundred sixty-five".