8278118616 has 16 divisors (see below), whose sum is σ = 20695296600. Its totient is φ = 2759372864.

The previous prime is 8278118599. The next prime is 8278118647. The reversal of 8278118616 is 6168118728.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172460781 + ... + 172460828.

Almost surely, 2^8278118616 is an apocalyptic number.

It is an amenable number.

8278118616 is an abundant number, since it is smaller than the sum of its proper divisors (12417177984).

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

8278118616 is a wasteful number, since it uses less digits than its factorization.

8278118616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344921618 (or 344921614 counting only the distinct ones).

The product of its digits is 258048, while the sum is 48.

The square root of 8278118616 is about 90984.1668423688. The cubic root of 8278118616 is about 2022.9130450562.

The spelling of 8278118616 in words is "eight billion, two hundred seventy-eight million, one hundred eighteen thousand, six hundred sixteen".