897179528 has 16 divisors (see below), whose sum is σ = 1922527680. Its totient is φ = 384505488.

The previous prime is 897179519. The next prime is 897179581. The reversal of 897179528 is 825971798.

It is a super-2 number, since 2×897179528² = 1609862210924605568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 16021063 = 897179528 / (8 + 9 + 7 + 1 + 7 + 9 + 5 + 2 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8010476 + ... + 8010587.

It is an arithmetic number, because the mean of its divisors is an integer number (120157980).

Almost surely, 2^897179528 is an apocalyptic number.

It is an amenable number.

897179528 is an abundant number, since it is smaller than the sum of its proper divisors (1025348152).

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

897179528 is a wasteful number, since it uses less digits than its factorization.

897179528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021076 (or 16021072 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 56.

The square root of 897179528 is about 29952.9552465195. The cubic root of 897179528 is about 964.4797603913.

The spelling of 897179528 in words is "eight hundred ninety-seven million, one hundred seventy-nine thousand, five hundred twenty-eight".