8978381676 has 72 divisors (see below), whose sum is σ = 26061672000. Its totient is φ = 2577523680.

The previous prime is 8978381651. The next prime is 8978381719. The reversal of 8978381676 is 6761838798.

It is a super-2 number, since 2×8978381676² (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 23 ways as a sum of consecutive naturals, for example, 589126 + ... + 604173.

Almost surely, 2^8978381676 is an apocalyptic number.

It is an amenable number.

8978381676 is an abundant number, since it is smaller than the sum of its proper divisors (17083290324).

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

8978381676 is a wasteful number, since it uses less digits than its factorization.

8978381676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193339 (or 1193334 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 8978381676 is about 94754.3227298892. The cubic root of 8978381676 is about 2078.4170090142.

The spelling of 8978381676 in words is "eight billion, nine hundred seventy-eight million, three hundred eighty-one thousand, six hundred seventy-six".