997512598404 has 96 divisors (see below), whose sum is σ = 2955875112960. Its totient is φ = 284976385056.

The previous prime is 997512598399. The next prime is 997512598427. The reversal of 997512598404 is 404895215799.

997512598404 is a `hidden beast` number, since 9 + 97 + 51 + 2 + 5 + 98 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8657179 + ... + 8771645.

It is an arithmetic number, because the mean of its divisors is an integer number (30790365760).

Almost surely, 2^997512598404 is an apocalyptic number.

It is an amenable number.

997512598404 is an abundant number, since it is smaller than the sum of its proper divisors (1958362514556).

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

997512598404 is a wasteful number, since it uses less digits than its factorization.

997512598404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126014 (or 126006 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 997512598404 in words is "nine hundred ninety-seven billion, five hundred twelve million, five hundred ninety-eight thousand, four hundred four".