97668913871 has 16 divisors (see below), whose sum is σ = 101780908320. Its totient is φ = 93648545280.

The previous prime is 97668913847. The next prime is 97668913919. The reversal of 97668913871 is 17831986679.

It is a cyclic number.

It is not a de Polignac number, because 97668913871 - 2⁶ = 97668913807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97668913798 and 97668913807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97668913171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789365 + ... + 904673.

It is an arithmetic number, because the mean of its divisors is an integer number (6361306770).

Almost surely, 2^97668913871 is an apocalyptic number.

97668913871 is a deficient number, since it is larger than the sum of its proper divisors (4111994449).

97668913871 is a wasteful number, since it uses less digits than its factorization.

97668913871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115706.

The product of its digits is 27433728, while the sum is 65.

The spelling of 97668913871 in words is "ninety-seven billion, six hundred sixty-eight million, nine hundred thirteen thousand, eight hundred seventy-one".