8716191964 has 12 divisors (see below), whose sum is σ = 15916524624. Its totient is φ = 4168613504.

The previous prime is 8716191937. The next prime is 8716191989. The reversal of 8716191964 is 4691916178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47370517 + ... + 47370700.

It is an arithmetic number, because the mean of its divisors is an integer number (1326377052).

Almost surely, 2^8716191964 is an apocalyptic number.

It is an amenable number.

8716191964 is a deficient number, since it is larger than the sum of its proper divisors (7200332660).

8716191964 is a wasteful number, since it uses less digits than its factorization.

8716191964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94741244 (or 94741242 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The square root of 8716191964 is about 93360.5482203270. The cubic root of 8716191964 is about 2057.9852708969.

The spelling of 8716191964 in words is "eight billion, seven hundred sixteen million, one hundred ninety-one thousand, nine hundred sixty-four".