8318732986 has 4 divisors (see below), whose sum is σ = 12478099482. Its totient is φ = 4159366492.

The previous prime is 8318732951. The next prime is 8318732999. The reversal of 8318732986 is 6892378138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7971096961 + 347636025 = 89281^2 + 18645^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2079683245 + ... + 2079683248.

Almost surely, 2^8318732986 is an apocalyptic number.

8318732986 is a deficient number, since it is larger than the sum of its proper divisors (4159366496).

8318732986 is a wasteful number, since it uses less digits than its factorization.

8318732986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159366495.

The product of its digits is 3483648, while the sum is 55.

The square root of 8318732986 is about 91207.0884635619. The cubic root of 8318732986 is about 2026.2159428714.

The spelling of 8318732986 in words is "eight billion, three hundred eighteen million, seven hundred thirty-two thousand, nine hundred eighty-six".