697374865 has 8 divisors (see below), whose sum is σ = 912927168. Its totient is φ = 507181680.

The previous prime is 697374827. The next prime is 697374883. The reversal of 697374865 is 568473796.

It is a happy number.

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

It is not a de Polignac number, because 697374865 - 2¹¹ = 697372817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 12679543 = 697374865 / (6 + 9 + 7 + 3 + 7 + 4 + 8 + 6 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6339717 + ... + 6339826.

It is an arithmetic number, because the mean of its divisors is an integer number (114115896).

Almost surely, 2^697374865 is an apocalyptic number.

It is an amenable number.

697374865 is a deficient number, since it is larger than the sum of its proper divisors (215552303).

697374865 is a wasteful number, since it uses less digits than its factorization.

697374865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12679559.

The product of its digits is 7620480, while the sum is 55.

The square root of 697374865 is about 26407.8561227526. The cubic root of 697374865 is about 886.7926742702.

The spelling of 697374865 in words is "six hundred ninety-seven million, three hundred seventy-four thousand, eight hundred sixty-five".