8068564386 has 20 divisors (see below), whose sum is σ = 18079561302. Its totient is φ = 2689521408.

The previous prime is 8068564379. The next prime is 8068564391. The reversal of 8068564386 is 6834658608.

It can be written as a sum of positive squares in only one way, i.e., 4979983761 + 3088580625 = 70569^2 + 55575^2 .

It is a super-3 number, since 3×8068564386³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24902815 + ... + 24903138.

Almost surely, 2^8068564386 is an apocalyptic number.

8068564386 is an abundant number, since it is smaller than the sum of its proper divisors (10010996916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8068564386 is a wasteful number, since it uses less digits than its factorization.

8068564386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49805967 (or 49805958 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The square root of 8068564386 is about 89825.1879263272. The cubic root of 8068564386 is about 2005.6974529363.

The spelling of 8068564386 in words is "eight billion, sixty-eight million, five hundred sixty-four thousand, three hundred eighty-six".