8978668312 has 16 divisors (see below), whose sum is σ = 17193195360. Its totient is φ = 4393816224.

The previous prime is 8978668297. The next prime is 8978668339. The reversal of 8978668312 is 2138668798.

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, 11939343 + ... + 11940094.

It is an arithmetic number, because the mean of its divisors is an integer number (1074574710).

Almost surely, 2^8978668312 is an apocalyptic number.

It is an amenable number.

8978668312 is a deficient number, since it is larger than the sum of its proper divisors (8214527048).

8978668312 is a wasteful number, since it uses less digits than its factorization.

8978668312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23879490 (or 23879486 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The square root of 8978668312 is about 94755.8352398416. The cubic root of 8978668312 is about 2078.4391266898.

The spelling of 8978668312 in words is "eight billion, nine hundred seventy-eight million, six hundred sixty-eight thousand, three hundred twelve".