997086904982 has 32 divisors (see below), whose sum is σ = 1712679206400. Its totient is φ = 426476568960.

The previous prime is 997086904967. The next prime is 997086905029. The reversal of 997086904982 is 289409680799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29728382 + ... + 29761902.

It is an arithmetic number, because the mean of its divisors is an integer number (53521225200).

Almost surely, 2^997086904982 is an apocalyptic number.

997086904982 is a deficient number, since it is larger than the sum of its proper divisors (715592301418).

997086904982 is a wasteful number, since it uses less digits than its factorization.

997086904982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37676.

The product of its (nonzero) digits is 141087744, while the sum is 71.

The spelling of 997086904982 in words is "nine hundred ninety-seven billion, eighty-six million, nine hundred four thousand, nine hundred eighty-two".