711996687 has 12 divisors (see below), whose sum is σ = 1028673984. Its totient is φ = 474556320.

The previous prime is 711996683. The next prime is 711996713. The reversal of 711996687 is 786699117.

It is not a de Polignac number, because 711996687 - 2² = 711996683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711996683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62818 + ... + 73280.

It is an arithmetic number, because the mean of its divisors is an integer number (85722832).

Almost surely, 2^711996687 is an apocalyptic number.

711996687 is a deficient number, since it is larger than the sum of its proper divisors (316677297).

711996687 is a wasteful number, since it uses less digits than its factorization.

711996687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18030 (or 18027 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 711996687 is about 26683.2660482183. The cubic root of 711996687 is about 892.9476341241.

The spelling of 711996687 in words is "seven hundred eleven million, nine hundred ninety-six thousand, six hundred eighty-seven".