696901287 has 4 divisors (see below), whose sum is σ = 929201720. Its totient is φ = 464600856.

The previous prime is 696901279. The next prime is 696901319. The reversal of 696901287 is 782109696.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 696901287 - 2³ = 696901279 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 (696901277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116150212 + ... + 116150217.

It is an arithmetic number, because the mean of its divisors is an integer number (232300430).

Almost surely, 2^696901287 is an apocalyptic number.

696901287 is a deficient number, since it is larger than the sum of its proper divisors (232300433).

696901287 is a wasteful number, since it uses less digits than its factorization.

696901287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232300432.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 696901287 is about 26398.8879879437. The cubic root of 696901287 is about 886.5918924418.

The spelling of 696901287 in words is "six hundred ninety-six million, nine hundred one thousand, two hundred eighty-seven".