696856091 has 8 divisors (see below), whose sum is σ = 702298368. Its totient is φ = 691425000.

The previous prime is 696856081. The next prime is 696856123. The reversal of 696856091 is 190658696.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696856091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696856081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156506 + ... + 160896.

It is an arithmetic number, because the mean of its divisors is an integer number (87787296).

Almost surely, 2^696856091 is an apocalyptic number.

696856091 is a deficient number, since it is larger than the sum of its proper divisors (5442277).

696856091 is a wasteful number, since it uses less digits than its factorization.

696856091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 696856091 is about 26398.0319531589. The cubic root of 696856091 is about 886.5727260385.

The spelling of 696856091 in words is "six hundred ninety-six million, eight hundred fifty-six thousand, ninety-one".