96691928921 has 8 divisors (see below), whose sum is σ = 110510030400. Its totient is φ = 82875069648.

The previous prime is 96691928881. The next prime is 96691928923. The reversal of 96691928921 is 12982919669.

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

It is a de Polignac number, because none of the positive numbers 2^k-96691928921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (96691928923) 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, 137306 + ... + 460691.

It is an arithmetic number, because the mean of its divisors is an integer number (13813753800).

Almost surely, 2^96691928921 is an apocalyptic number.

It is an amenable number.

96691928921 is a deficient number, since it is larger than the sum of its proper divisors (13818101479).

96691928921 is a wasteful number, since it uses less digits than its factorization.

96691928921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621103.

The product of its digits is 7558272, while the sum is 62.

The spelling of 96691928921 in words is "ninety-six billion, six hundred ninety-one million, nine hundred twenty-eight thousand, nine hundred twenty-one".