897932977 has 8 divisors (see below), whose sum is σ = 922572000. Its totient is φ = 873608064.

The previous prime is 897932969. The next prime is 897933007. The reversal of 897932977 is 779239798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897932977 - 2³ = 897932969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897932957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72727 + ... + 84172.

It is an arithmetic number, because the mean of its divisors is an integer number (115321500).

Almost surely, 2^897932977 is an apocalyptic number.

It is an amenable number.

897932977 is a deficient number, since it is larger than the sum of its proper divisors (24639023).

897932977 is a wasteful number, since it uses less digits than its factorization.

897932977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157055.

The product of its digits is 12002256, while the sum is 61.

The square root of 897932977 is about 29965.5298134373. The cubic root of 897932977 is about 964.7496740337.

The spelling of 897932977 in words is "eight hundred ninety-seven million, nine hundred thirty-two thousand, nine hundred seventy-seven".