97730077497984 has 96 divisors (see below), whose sum is σ = 281512264026240. Its totient is φ = 32543819573760.

The previous prime is 97730077497863. The next prime is 97730077498073. The reversal of 97730077497984 is 48979477003779.

97730077497984 is a `hidden beast` number, since 9 + 7 + 7 + 30 + 0 + 7 + 7 + 497 + 98 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41661162 + ... + 43944425.

It is an arithmetic number, because the mean of its divisors is an integer number (2932419416940).

Almost surely, 2^{97730077497984} is an apocalyptic number.

It is an amenable number.

97730077497984 is an abundant number, since it is smaller than the sum of its proper divisors (183782186528256).

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

97730077497984 is a wasteful number, since it uses less digits than its factorization.

97730077497984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85606598 (or 85606583 counting only the distinct ones).

The product of its (nonzero) digits is 4704884352, while the sum is 81.

The spelling of 97730077497984 in words is "ninety-seven trillion, seven hundred thirty billion, seventy-seven million, four hundred ninety-seven thousand, nine hundred eighty-four".