697497088 has 20 divisors (see below), whose sum is σ = 1393632900. Its totient is φ = 348748288.

The previous prime is 697497071. The next prime is 697497089. The reversal of 697497088 is 880794796.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697497089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680638 + ... + 681661.

It is an arithmetic number, because the mean of its divisors is an integer number (69681645).

Almost surely, 2^697497088 is an apocalyptic number.

It is an amenable number.

697497088 is a deficient number, since it is larger than the sum of its proper divisors (696135812).

697497088 is an equidigital number, since it uses as much as digits as its factorization.

697497088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362317 (or 1362301 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 697497088 is about 26410.1701622689. The cubic root of 697497088 is about 886.8444781302.

The spelling of 697497088 in words is "six hundred ninety-seven million, four hundred ninety-seven thousand, eighty-eight".