97946479408512 has 256 divisors, whose sum is σ = 305894086202880. Its totient is φ = 27181963100160.

The previous prime is 97946479408447. The next prime is 97946479408523. The reversal of 97946479408512 is 21580497464979.

97946479408512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 57541812 + ... + 59219532.

It is an arithmetic number, because the mean of its divisors is an integer number (1194898774230).

Almost surely, 2^{97946479408512} 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 97946479408512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152947043101440).

97946479408512 is an abundant number, since it is smaller than the sum of its proper divisors (207947606794368).

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

97946479408512 is a wasteful number, since it uses less digits than its factorization.

97946479408512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678369 (or 1678357 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 75.

The spelling of 97946479408512 in words is "ninety-seven trillion, nine hundred forty-six billion, four hundred seventy-nine million, four hundred eight thousand, five hundred twelve".