897876616 has 128 divisors (see below), whose sum is σ = 2201472000. Its totient is φ = 333372672.

The previous prime is 897876613. The next prime is 897876619. The reversal of 897876616 is 616678798.

It is an interprime number because it is at equal distance from previous prime (897876613) and next prime (897876619).

It is a super-2 number, since 2×897876616² = 1612364835119222912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (897876611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1922415 + ... + 1922881.

It is an arithmetic number, because the mean of its divisors is an integer number (17199000).

Almost surely, 2^897876616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897876616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100736000).

897876616 is an abundant number, since it is smaller than the sum of its proper divisors (1303595384).

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

897876616 is a wasteful number, since it uses less digits than its factorization.

897876616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 647 counting only the distinct ones).

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

The square root of 897876616 is about 29964.5893681192. The cubic root of 897876616 is about 964.7294886392.

The spelling of 897876616 in words is "eight hundred ninety-seven million, eight hundred seventy-six thousand, six hundred sixteen".