96213997891 has 8 divisors (see below), whose sum is σ = 104965461504. Its totient is φ = 87463323720.

The previous prime is 96213997813. The next prime is 96213997907. The reversal of 96213997891 is 19879931269.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96213997891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96213997801) 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, 73666 + ... + 444808.

It is an arithmetic number, because the mean of its divisors is an integer number (13120682688).

Almost surely, 2^96213997891 is an apocalyptic number.

96213997891 is a deficient number, since it is larger than the sum of its proper divisors (8751463613).

96213997891 is a wasteful number, since it uses less digits than its factorization.

96213997891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394721.

The product of its digits is 13226976, while the sum is 64.

The spelling of 96213997891 in words is "ninety-six billion, two hundred thirteen million, nine hundred ninety-seven thousand, eight hundred ninety-one".