487392657 has 16 divisors (see below), whose sum is σ = 655257408. Its totient is φ = 322237440.

The previous prime is 487392649. The next prime is 487392667. The reversal of 487392657 is 756293784.

It is not a de Polignac number, because 487392657 - 2³ = 487392649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487392667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328357 + ... + 329837.

It is an arithmetic number, because the mean of its divisors is an integer number (40953588).

Almost surely, 2^487392657 is an apocalyptic number.

It is an amenable number.

487392657 is a deficient number, since it is larger than the sum of its proper divisors (167864751).

487392657 is a wasteful number, since it uses less digits than its factorization.

487392657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320.

The product of its digits is 2540160, while the sum is 51.

The square root of 487392657 is about 22076.9711917192. The cubic root of 487392657 is about 786.9726884614.

The spelling of 487392657 in words is "four hundred eighty-seven million, three hundred ninety-two thousand, six hundred fifty-seven".