57847135645 has 32 divisors (see below), whose sum is σ = 79381058400. Its totient is φ = 40089600000.

The previous prime is 57847135637. The next prime is 57847135657. The reversal of 57847135645 is 54653174875.

It can be written as a sum of positive squares in 16 ways, for example, as 11795263236 + 46051872409 = 108606^2 + 214597^2 .

It is not a de Polignac number, because 57847135645 - 2³ = 57847135637 is a prime.

It is a super-2 number, since 2×57847135645² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310645 + ... + 460645.

It is an arithmetic number, because the mean of its divisors is an integer number (2480658075).

Almost surely, 2^57847135645 is an apocalyptic number.

It is an amenable number.

57847135645 is a deficient number, since it is larger than the sum of its proper divisors (21533922755).

57847135645 is a wasteful number, since it uses less digits than its factorization.

57847135645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150385.

The product of its digits is 14112000, while the sum is 55.

The spelling of 57847135645 in words is "fifty-seven billion, eight hundred forty-seven million, one hundred thirty-five thousand, six hundred forty-five".