8253986986 has 32 divisors (see below), whose sum is σ = 14448844800. Its totient is φ = 3534879600.

The previous prime is 8253986941. The next prime is 8253986987. The reversal of 8253986986 is 6896893528.

It is a happy number.

It is a super-3 number, since 3×8253986986³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8253986987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190871 + ... + 1197781.

It is an arithmetic number, because the mean of its divisors is an integer number (451526400).

Almost surely, 2^8253986986 is an apocalyptic number.

8253986986 is a deficient number, since it is larger than the sum of its proper divisors (6194857814).

8253986986 is a wasteful number, since it uses less digits than its factorization.

8253986986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675 (or 8661 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 64.

The square root of 8253986986 is about 90851.4556074915. The cubic root of 8253986986 is about 2020.9454602613.

The spelling of 8253986986 in words is "eight billion, two hundred fifty-three million, nine hundred eighty-six thousand, nine hundred eighty-six".