8465939986 has 16 divisors (see below), whose sum is σ = 14517518400. Its totient is φ = 3627140400.

The previous prime is 8465939957. The next prime is 8465939987. The reversal of 8465939986 is 6899395648.

It is not an unprimeable number, because it can be changed into a prime (8465939987) 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, 45465 + ... + 137836.

It is an arithmetic number, because the mean of its divisors is an integer number (907344900).

Almost surely, 2^8465939986 is an apocalyptic number.

8465939986 is a deficient number, since it is larger than the sum of its proper divisors (6051578414).

8465939986 is a wasteful number, since it uses less digits than its factorization.

8465939986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186609.

The product of its digits is 100776960, while the sum is 67.

The square root of 8465939986 is about 92010.5427980946. The cubic root of 8465939986 is about 2038.0979954054.

The spelling of 8465939986 in words is "eight billion, four hundred sixty-five million, nine hundred thirty-nine thousand, nine hundred eighty-six".