897031879 has 8 divisors (see below), whose sum is σ = 911237040. Its totient is φ = 882907776.

The previous prime is 897031871. The next prime is 897031909. The reversal of 897031879 is 978130798.

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 897031879 - 2³ = 897031871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897031871) 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, 2239 + ... + 42415.

It is an arithmetic number, because the mean of its divisors is an integer number (113904630).

Almost surely, 2^897031879 is an apocalyptic number.

897031879 is a deficient number, since it is larger than the sum of its proper divisors (14205161).

897031879 is a wasteful number, since it uses less digits than its factorization.

897031879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40529.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 897031879 is about 29950.4904634298. The cubic root of 897031879 is about 964.4268492848.

The spelling of 897031879 in words is "eight hundred ninety-seven million, thirty-one thousand, eight hundred seventy-nine".