8786274861 has 64 divisors (see below), whose sum is σ = 15201536000. Its totient is φ = 4383611136.

The previous prime is 8786274859. The next prime is 8786274923. The reversal of 8786274861 is 1684726878.

It is a happy number.

It is not a de Polignac number, because 8786274861 - 2¹ = 8786274859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8786224861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5170590 + ... + 5172288.

It is an arithmetic number, because the mean of its divisors is an integer number (237524000).

Almost surely, 2^8786274861 is an apocalyptic number.

It is an amenable number.

8786274861 is a deficient number, since it is larger than the sum of its proper divisors (6415261139).

8786274861 is a wasteful number, since it uses less digits than its factorization.

8786274861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738.

The product of its digits is 7225344, while the sum is 57.

The square root of 8786274861 is about 93735.1314129340. The cubic root of 8786274861 is about 2063.4863248231.

The spelling of 8786274861 in words is "eight billion, seven hundred eighty-six million, two hundred seventy-four thousand, eight hundred sixty-one".