709996831 has 4 divisors (see below), whose sum is σ = 710063872. Its totient is φ = 709929792.

The previous prime is 709996801. The next prime is 709996841. The reversal of 709996831 is 138699907.

709996831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 709996831 - 2⁹ = 709996319 is a prime.

It is a super-2 number, since 2×709996831² = 1008191000060085122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709996801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13746 + ... + 40111.

It is an arithmetic number, because the mean of its divisors is an integer number (177515968).

Almost surely, 2^709996831 is an apocalyptic number.

709996831 is a deficient number, since it is larger than the sum of its proper divisors (67041).

709996831 is a wasteful number, since it uses less digits than its factorization.

709996831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67040.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 709996831 is about 26645.7657236567. The cubic root of 709996831 is about 892.1108131651.

The spelling of 709996831 in words is "seven hundred nine million, nine hundred ninety-six thousand, eight hundred thirty-one".