97990398472932 has 288 divisors, whose sum is σ = 303669735264000. Its totient is φ = 27314379429120.

The previous prime is 97990398472907. The next prime is 97990398472969. The reversal of 97990398472932 is 23927489309979.

97990398472932 is a `hidden beast` number, since 9 + 79 + 9 + 0 + 398 + 4 + 72 + 93 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61484158 + ... + 63057770.

It is an arithmetic number, because the mean of its divisors is an integer number (1054408803000).

Almost surely, 2^{97990398472932} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97990398472932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151834867632000).

97990398472932 is an abundant number, since it is smaller than the sum of its proper divisors (205679336791068).

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

97990398472932 is a wasteful number, since it uses less digits than its factorization.

97990398472932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573729 (or 1573666 counting only the distinct ones).

The product of its (nonzero) digits is 3333197952, while the sum is 81.

The spelling of 97990398472932 in words is "ninety-seven trillion, nine hundred ninety billion, three hundred ninety-eight million, four hundred seventy-two thousand, nine hundred thirty-two".