897896772 has 48 divisors (see below), whose sum is σ = 2402982400. Its totient is φ = 289643040.

The previous prime is 897896729. The next prime is 897896773. The reversal of 897896772 is 277698798.

It is a super-2 number, since 2×897896772² = 1612437226336039968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (897896773) 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, 130747 + ... + 137442.

Almost surely, 2^897896772 is an apocalyptic number.

It is an amenable number.

897896772 is an abundant number, since it is smaller than the sum of its proper divisors (1505085628).

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

897896772 is a wasteful number, since it uses less digits than its factorization.

897896772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268233 (or 268225 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The square root of 897896772 is about 29964.9256965540. The cubic root of 897896772 is about 964.7367075012.

The spelling of 897896772 in words is "eight hundred ninety-seven million, eight hundred ninety-six thousand, seven hundred seventy-two".