8086668740 has 24 divisors (see below), whose sum is σ = 17260400472. Its totient is φ = 3181639680.

The previous prime is 8086668719. The next prime is 8086668757. The reversal of 8086668740 is 478666808.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 751088836 + 7335579904 = 27406^2 + 85648^2 .

It is a super-2 number, since 2×8086668740² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3312989 + ... + 3315428.

It is an arithmetic number, because the mean of its divisors is an integer number (719183353).

Almost surely, 2^8086668740 is an apocalyptic number.

It is an amenable number.

8086668740 is an abundant number, since it is smaller than the sum of its proper divisors (9173731732).

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

8086668740 is a wasteful number, since it uses less digits than its factorization.

8086668740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628487 (or 6628485 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The square root of 8086668740 is about 89925.9069456628. The cubic root of 8086668740 is about 2007.1964693561.

The spelling of 8086668740 in words is "eight billion, eighty-six million, six hundred sixty-eight thousand, seven hundred forty".