897576480 has 144 divisors (see below), whose sum is σ = 3161942784. Its totient is φ = 231621120.

The previous prime is 897576457. The next prime is 897576503. The reversal of 897576480 is 84675798.

897576480 is a `hidden beast` number, since 8 + 97 + 5 + 76 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (897576457) and next prime (897576503).

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34587 + ... + 54693.

It is an arithmetic number, because the mean of its divisors is an integer number (21957936).

Almost surely, 2^897576480 is an apocalyptic number.

897576480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897576480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580971392).

897576480 is an abundant number, since it is smaller than the sum of its proper divisors (2264366304).

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

897576480 is a wasteful number, since it uses less digits than its factorization.

897576480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159 (or 20148 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 897576480 is about 29959.5807714327. The cubic root of 897576480 is about 964.6219822872.

The spelling of 897576480 in words is "eight hundred ninety-seven million, five hundred seventy-six thousand, four hundred eighty".