8661522967 has 8 divisors (see below), whose sum is σ = 9175402656. Its totient is φ = 8148129792.

The previous prime is 8661522931. The next prime is 8661522973. The reversal of 8661522967 is 7692251668.

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

It is a cyclic number.

It is not a de Polignac number, because 8661522967 - 2⁷ = 8661522839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661525967) 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, 84643 + ... + 156484.

It is an arithmetic number, because the mean of its divisors is an integer number (1146925332).

Almost surely, 2^8661522967 is an apocalyptic number.

8661522967 is a deficient number, since it is larger than the sum of its proper divisors (513879689).

8661522967 is a wasteful number, since it uses less digits than its factorization.

8661522967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243257.

The product of its digits is 2177280, while the sum is 52.

The square root of 8661522967 is about 93067.3034260690. The cubic root of 8661522967 is about 2053.6736007193.

The spelling of 8661522967 in words is "eight billion, six hundred sixty-one million, five hundred twenty-two thousand, nine hundred sixty-seven".