57790687 has 8 divisors (see below), whose sum is σ = 58320000. Its totient is φ = 57264024.

The previous prime is 57790661. The next prime is 57790709. The reversal of 57790687 is 78609775.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57790687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57790687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57790627) 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, 88998 + ... + 89644.

It is an arithmetic number, because the mean of its divisors is an integer number (7290000).

Almost surely, 2^57790687 is an apocalyptic number.

57790687 is a deficient number, since it is larger than the sum of its proper divisors (529313).

57790687 is a wasteful number, since it uses less digits than its factorization.

57790687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 57790687 is about 7602.0186135000. The cubic root of 57790687 is about 386.6214563503.

The spelling of 57790687 in words is "fifty-seven million, seven hundred ninety thousand, six hundred eighty-seven".