696371687 has 4 divisors (see below), whose sum is σ = 759678216. Its totient is φ = 633065160.

The previous prime is 696371681. The next prime is 696371699. The reversal of 696371687 is 786173696.

696371687 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.

It is a cyclic number.

It is not a de Polignac number, because 696371687 - 2⁶ = 696371623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696371681) 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, 31653248 + ... + 31653269.

It is an arithmetic number, because the mean of its divisors is an integer number (189919554).

Almost surely, 2^696371687 is an apocalyptic number.

696371687 is a deficient number, since it is larger than the sum of its proper divisors (63306529).

696371687 is a wasteful number, since it uses less digits than its factorization.

696371687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63306528.

The product of its digits is 2286144, while the sum is 53.

The square root of 696371687 is about 26388.8553560021. The cubic root of 696371687 is about 886.3672513221.

The spelling of 696371687 in words is "six hundred ninety-six million, three hundred seventy-one thousand, six hundred eighty-seven".