8677578861 has 24 divisors (see below), whose sum is σ = 14336225280. Its totient is φ = 4954693536.

The previous prime is 8677578857. The next prime is 8677578887. The reversal of 8677578861 is 1688757768.

It is not a de Polignac number, because 8677578861 - 2² = 8677578857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8677578841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26731 + ... + 134423.

It is an arithmetic number, because the mean of its divisors is an integer number (597342720).

Almost surely, 2^8677578861 is an apocalyptic number.

It is an amenable number.

8677578861 is a deficient number, since it is larger than the sum of its proper divisors (5658646419).

8677578861 is a wasteful number, since it uses less digits than its factorization.

8677578861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108985 (or 108982 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 63.

The square root of 8677578861 is about 93153.5230734726. The cubic root of 8677578861 is about 2054.9417846296.

The spelling of 8677578861 in words is "eight billion, six hundred seventy-seven million, five hundred seventy-eight thousand, eight hundred sixty-one".