97871169200921 has 8 divisors (see below), whose sum is σ = 104501470856640. Its totient is φ = 91438786997712.

The previous prime is 97871169200879. The next prime is 97871169200927. The reversal of 97871169200921 is 12900296117879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97871169200921 - 2²² = 97871165006617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97871169200927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49479862106 + ... + 49479864083.

It is an arithmetic number, because the mean of its divisors is an integer number (13062683857080).

Almost surely, 2^{97871169200921} is an apocalyptic number.

It is an amenable number.

97871169200921 is a deficient number, since it is larger than the sum of its proper divisors (6630301655719).

97871169200921 is a wasteful number, since it uses less digits than its factorization.

97871169200921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98959726255.

The product of its (nonzero) digits is 6858432, while the sum is 62.

The spelling of 97871169200921 in words is "ninety-seven trillion, eight hundred seventy-one billion, one hundred sixty-nine million, two hundred thousand, nine hundred twenty-one".