8611582979 has 8 divisors (see below), whose sum is σ = 8668815360. Its totient is φ = 8554381056.

The previous prime is 8611582901. The next prime is 8611582981. The reversal of 8611582979 is 9792851168.

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 8611582979 - 2¹² = 8611578883 is a prime.

It is a super-2 number, since 2×8611582979² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8611582999) 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, 959987 + ... + 968915.

It is an arithmetic number, because the mean of its divisors is an integer number (1083601920).

Almost surely, 2^8611582979 is an apocalyptic number.

8611582979 is a deficient number, since it is larger than the sum of its proper divisors (57232381).

8611582979 is a wasteful number, since it uses less digits than its factorization.

8611582979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15229.

The product of its digits is 2177280, while the sum is 56.

The square root of 8611582979 is about 92798.6151782450. The cubic root of 8611582979 is about 2049.7190159403.

The spelling of 8611582979 in words is "eight billion, six hundred eleven million, five hundred eighty-two thousand, nine hundred seventy-nine".