656713311477 has 8 divisors (see below), whose sum is σ = 882009119616. Its totient is φ = 434613188832.

The previous prime is 656713311437. The next prime is 656713311493. The reversal of 656713311477 is 774113317656.

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

It is not a de Polignac number, because 656713311477 - 2⁷ = 656713311349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656713311437) 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, 798920893 + ... + 798921714.

It is an arithmetic number, because the mean of its divisors is an integer number (110251139952).

Almost surely, 2^656713311477 is an apocalyptic number.

It is an amenable number.

656713311477 is a deficient number, since it is larger than the sum of its proper divisors (225295808139).

656713311477 is a wasteful number, since it uses less digits than its factorization.

656713311477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597842747.

The product of its digits is 2222640, while the sum is 51.

The spelling of 656713311477 in words is "six hundred fifty-six billion, seven hundred thirteen million, three hundred eleven thousand, four hundred seventy-seven".