57857508607 has 4 divisors (see below), whose sum is σ = 57858741640. Its totient is φ = 57856275576.

The previous prime is 57857508593. The next prime is 57857508647. The reversal of 57857508607 is 70680575875.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57857508607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57857508647) 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, 543228 + ... + 640945.

It is an arithmetic number, because the mean of its divisors is an integer number (14464685410).

Almost surely, 2^57857508607 is an apocalyptic number.

57857508607 is a deficient number, since it is larger than the sum of its proper divisors (1233033).

57857508607 is a wasteful number, since it uses less digits than its factorization.

57857508607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233032.

The product of its (nonzero) digits is 16464000, while the sum is 58.

The spelling of 57857508607 in words is "fifty-seven billion, eight hundred fifty-seven million, five hundred eight thousand, six hundred seven".