897866579112 has 32 divisors (see below), whose sum is σ = 2261801314080. Its totient is φ = 297004210880.

The previous prime is 897866579101. The next prime is 897866579149. The reversal of 897866579112 is 211975668798.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142787343 + ... + 142793630.

It is an arithmetic number, because the mean of its divisors is an integer number (70681291065).

Almost surely, 2^897866579112 is an apocalyptic number.

It is an amenable number.

897866579112 is an abundant number, since it is smaller than the sum of its proper divisors (1363934734968).

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

897866579112 is a wasteful number, since it uses less digits than its factorization.

897866579112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285581113 (or 285581109 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 69.

The spelling of 897866579112 in words is "eight hundred ninety-seven billion, eight hundred sixty-six million, five hundred seventy-nine thousand, one hundred twelve".