97684777965 has 16 divisors (see below), whose sum is σ = 156299774400. Its totient is φ = 52097171712.

The previous prime is 97684777933. The next prime is 97684777979. The reversal of 97684777965 is 56977748679.

It is not a de Polignac number, because 97684777965 - 2⁵ = 97684777933 is a prime.

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, 785206 + ... + 901064.

It is an arithmetic number, because the mean of its divisors is an integer number (9768735900).

Almost surely, 2^97684777965 is an apocalyptic number.

It is an amenable number.

97684777965 is a deficient number, since it is larger than the sum of its proper divisors (58614996435).

97684777965 is a wasteful number, since it uses less digits than its factorization.

97684777965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172076.

The product of its digits is 1120210560, while the sum is 75.

The spelling of 97684777965 in words is "ninety-seven billion, six hundred eighty-four million, seven hundred seventy-seven thousand, nine hundred sixty-five".