696608657 has 8 divisors (see below), whose sum is σ = 738515712. Its totient is φ = 655916400.

The previous prime is 696608639. The next prime is 696608669. The reversal of 696608657 is 756806696.

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

It is a cyclic number.

It is not a de Polignac number, because 696608657 - 2¹⁶ = 696543121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 696608599 and 696608608.

It is not an unprimeable number, because it can be changed into a prime (696608617) 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, 302519 + ... + 304812.

It is an arithmetic number, because the mean of its divisors is an integer number (92314464).

Almost surely, 2^696608657 is an apocalyptic number.

It is an amenable number.

696608657 is a deficient number, since it is larger than the sum of its proper divisors (41907055).

696608657 is a wasteful number, since it uses less digits than its factorization.

696608657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607399.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 696608657 is about 26393.3449376922. The cubic root of 696608657 is about 886.4677812693.

The spelling of 696608657 in words is "six hundred ninety-six million, six hundred eight thousand, six hundred fifty-seven".