697097523408 has 80 divisors (see below), whose sum is σ = 2115666630336. Its totient is φ = 194992312320.

The previous prime is 697097523401. The next prime is 697097523443. The reversal of 697097523408 is 804325790796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697097523401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50772385 + ... + 50786112.

Almost surely, 2^697097523408 is an apocalyptic number.

It is an amenable number.

697097523408 is an abundant number, since it is smaller than the sum of its proper divisors (1418569106928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697097523408 is a wasteful number, since it uses less digits than its factorization.

697097523408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101558532 (or 101558526 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 697097523408 in words is "six hundred ninety-seven billion, ninety-seven million, five hundred twenty-three thousand, four hundred eight".