696442857 has 8 divisors (see below), whose sum is σ = 1013007840. Its totient is φ = 422086560.

The previous prime is 696442819. The next prime is 696442861. The reversal of 696442857 is 758244696.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 696442857 - 2⁶ = 696442793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (696442657) 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 7 ways as a sum of consecutive naturals, for example, 10552132 + ... + 10552197.

It is an arithmetic number, because the mean of its divisors is an integer number (126625980).

Almost surely, 2^696442857 is an apocalyptic number.

It is an amenable number.

696442857 is a deficient number, since it is larger than the sum of its proper divisors (316564983).

696442857 is a wasteful number, since it uses less digits than its factorization.

696442857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21104343.

The product of its digits is 2903040, while the sum is 51.

The square root of 696442857 is about 26390.2038074737. The cubic root of 696442857 is about 886.3974462164.

The spelling of 696442857 in words is "six hundred ninety-six million, four hundred forty-two thousand, eight hundred fifty-seven".