8791232566 has 16 divisors (see below), whose sum is σ = 13338814320. Its totient is φ = 4344989440.

The previous prime is 8791232563. The next prime is 8791232573. The reversal of 8791232566 is 6652321978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8791232563) 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, 1195521 + ... + 1202851.

It is an arithmetic number, because the mean of its divisors is an integer number (833675895).

Almost surely, 2^8791232566 is an apocalyptic number.

8791232566 is a deficient number, since it is larger than the sum of its proper divisors (4547581754).

8791232566 is a wasteful number, since it uses less digits than its factorization.

8791232566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14159.

The product of its digits is 1088640, while the sum is 49.

The square root of 8791232566 is about 93761.5729710205. The cubic root of 8791232566 is about 2063.8743631023.

The spelling of 8791232566 in words is "eight billion, seven hundred ninety-one million, two hundred thirty-two thousand, five hundred sixty-six".