8571797964 has 36 divisors (see below), whose sum is σ = 22609672176. Its totient is φ = 2733036768.

The previous prime is 8571797951. The next prime is 8571797981. The reversal of 8571797964 is 4697971758.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5175379 + ... + 5177034.

Almost surely, 2^8571797964 is an apocalyptic number.

It is an amenable number.

8571797964 is an abundant number, since it is smaller than the sum of its proper divisors (14037874212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8571797964 is a wasteful number, since it uses less digits than its factorization.

8571797964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10352446 (or 10352441 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The square root of 8571797964 is about 92584.0049036549. The cubic root of 8571797964 is about 2046.5576146889.

The spelling of 8571797964 in words is "eight billion, five hundred seventy-one million, seven hundred ninety-seven thousand, nine hundred sixty-four".