898131739474512 has 120 divisors (see below), whose sum is σ = 2690699203395840. Its totient is φ = 289719915920640.

The previous prime is 898131739474399. The next prime is 898131739474531. The reversal of 898131739474512 is 215474937131898.

898131739474512 is a `hidden beast` number, since 8 + 9 + 8 + 1 + 3 + 1 + 7 + 39 + 4 + 74 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3725701437 + ... + 3725942492.

It is an arithmetic number, because the mean of its divisors is an integer number (22422493361632).

Almost surely, 2^{898131739474512} is an apocalyptic number.

It is an amenable number.

898131739474512 is an abundant number, since it is smaller than the sum of its proper divisors (1792567463921328).

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

898131739474512 is a wasteful number, since it uses less digits than its factorization.

898131739474512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451643983 (or 7451643965 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 72.

The spelling of 898131739474512 in words is "eight hundred ninety-eight trillion, one hundred thirty-one billion, seven hundred thirty-nine million, four hundred seventy-four thousand, five hundred twelve".