8278154668 has 36 divisors (see below), whose sum is σ = 16889015640. Its totient is φ = 3539979072.

The previous prime is 8278154659. The next prime is 8278154671. The reversal of 8278154668 is 8664518728.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43363 + ... + 135781.

Almost surely, 2^8278154668 is an apocalyptic number.

It is an amenable number.

8278154668 is an abundant number, since it is smaller than the sum of its proper divisors (8610860972).

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

8278154668 is a wasteful number, since it uses less digits than its factorization.

8278154668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92894 (or 92885 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The square root of 8278154668 is about 90984.3649645366. The cubic root of 8278154668 is about 2022.9159817120.

The spelling of 8278154668 in words is "eight billion, two hundred seventy-eight million, one hundred fifty-four thousand, six hundred sixty-eight".