97693687755 has 48 divisors (see below), whose sum is σ = 179353699200. Its totient is φ = 49022797824.

The previous prime is 97693687709. The next prime is 97693687769. The reversal of 97693687755 is 55778639679.

97693687755 is a `hidden beast` number, since 97 + 69 + 368 + 77 + 55 = 666.

It is not a de Polignac number, because 97693687755 - 2²⁹ = 97156816843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2607646 + ... + 2644844.

It is an arithmetic number, because the mean of its divisors is an integer number (3736535400).

Almost surely, 2^97693687755 is an apocalyptic number.

97693687755 is a deficient number, since it is larger than the sum of its proper divisors (81660011445).

97693687755 is a wasteful number, since it uses less digits than its factorization.

97693687755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40660 (or 40657 counting only the distinct ones).

The product of its digits is 600112800, while the sum is 72.

The spelling of 97693687755 in words is "ninety-seven billion, six hundred ninety-three million, six hundred eighty-seven thousand, seven hundred fifty-five".