897870879 has 16 divisors (see below), whose sum is σ = 1343097600. Its totient is φ = 592767288.

The previous prime is 897870829. The next prime is 897870881. The reversal of 897870879 is 978078798.

897870879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 897870879 - 2⁹ = 897870367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897870829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158649 + ... + 164210.

It is an arithmetic number, because the mean of its divisors is an integer number (83943600).

Almost surely, 2^897870879 is an apocalyptic number.

897870879 is a deficient number, since it is larger than the sum of its proper divisors (445226721).

897870879 is a wasteful number, since it uses less digits than its factorization.

897870879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322971 (or 322965 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 63.

The square root of 897870879 is about 29964.4936383047. The cubic root of 897870879 is about 964.7274339156.

The spelling of 897870879 in words is "eight hundred ninety-seven million, eight hundred seventy thousand, eight hundred seventy-nine".