897607764 has 24 divisors (see below), whose sum is σ = 2327131520. Its totient is φ = 299202552.

The previous prime is 897607727. The next prime is 897607783. The reversal of 897607764 is 467706798.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 897607764.

It is a congruent 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, 4155484 + ... + 4155699.

Almost surely, 2^897607764 is an apocalyptic number.

It is an amenable number.

897607764 is an abundant number, since it is smaller than the sum of its proper divisors (1429523756).

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

897607764 is a wasteful number, since it uses less digits than its factorization.

897607764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311196 (or 8311188 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 897607764 is about 29960.1028703174. The cubic root of 897607764 is about 964.6331890883.

The spelling of 897607764 in words is "eight hundred ninety-seven million, six hundred seven thousand, seven hundred sixty-four".