712807677 has 6 divisors (see below), whose sum is σ = 1029611102. Its totient is φ = 475205112.

The previous prime is 712807633. The next prime is 712807679. The reversal of 712807677 is 776708217.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 648262521 + 64545156 = 25461^2 + 8034^2 .

It is not a de Polignac number, because 712807677 - 2²⁶ = 645698813 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 (712807679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39600418 + ... + 39600435.

Almost surely, 2^712807677 is an apocalyptic number.

It is an amenable number.

712807677 is a deficient number, since it is larger than the sum of its proper divisors (316803425).

712807677 is a wasteful number, since it uses less digits than its factorization.

712807677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79200859 (or 79200856 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 45.

The square root of 712807677 is about 26698.4583262779. The cubic root of 712807677 is about 893.2865387081.

The spelling of 712807677 in words is "seven hundred twelve million, eight hundred seven thousand, six hundred seventy-seven".