97677654991 has 16 divisors (see below), whose sum is σ = 111931462720. Its totient is φ = 83498999040.

The previous prime is 97677654973. The next prime is 97677655001. The reversal of 97677654991 is 19945677679.

It is a cyclic number.

It is not a de Polignac number, because 97677654991 - 2⁵ = 97677654959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97677654991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97677654961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7636021 + ... + 7648801.

It is an arithmetic number, because the mean of its divisors is an integer number (6995716420).

Almost surely, 2^97677654991 is an apocalyptic number.

97677654991 is a deficient number, since it is larger than the sum of its proper divisors (14253807729).

97677654991 is a wasteful number, since it uses less digits than its factorization.

97677654991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15634.

The product of its digits is 180033840, while the sum is 70.

The spelling of 97677654991 in words is "ninety-seven billion, six hundred seventy-seven million, six hundred fifty-four thousand, nine hundred ninety-one".