697690567 has 6 divisors (see below), whose sum is σ = 811599288. Its totient is φ = 598020444.

The previous prime is 697690559. The next prime is 697690577. The reversal of 697690567 is 765096796.

It is not a de Polignac number, because 697690567 - 2³ = 697690559 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 (697690547) 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 5 ways as a sum of consecutive naturals, for example, 7119243 + ... + 7119340.

It is an arithmetic number, because the mean of its divisors is an integer number (135266548).

Almost surely, 2^697690567 is an apocalyptic number.

697690567 is a deficient number, since it is larger than the sum of its proper divisors (113908721).

697690567 is a wasteful number, since it uses less digits than its factorization.

697690567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238597 (or 14238590 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 55.

The square root of 697690567 is about 26413.8328721903. The cubic root of 697690567 is about 886.9264712657.

The spelling of 697690567 in words is "six hundred ninety-seven million, six hundred ninety thousand, five hundred sixty-seven".