8794678764978 has 24 divisors (see below), whose sum is σ = 19055356056828. Its totient is φ = 2931525937152.

The previous prime is 8794678764959. The next prime is 8794678764997.

8794678764978 is a `hidden beast` number, since 8 + 7 + 9 + 46 + 7 + 8 + 76 + 497 + 8 = 666.

8794678764978 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (8794678764959) and next prime (8794678764997).

It can be written as a sum of positive squares in 2 ways, for example, as 8790792115329 + 3886649649 = 2964927^2 + 62343^2 .

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, 1166775 + ... + 4353242.

Almost surely, 2^{8794678764978} is an apocalyptic number.

8794678764978 is an abundant number, since it is smaller than the sum of its proper divisors (10260677291850).

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

8794678764978 is a wasteful number, since it uses less digits than its factorization.

8794678764978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608538 (or 5608535 counting only the distinct ones).

The product of its digits is 57354780672, while the sum is 90.

The spelling of 8794678764978 in words is "eight trillion, seven hundred ninety-four billion, six hundred seventy-eight million, seven hundred sixty-four thousand, nine hundred seventy-eight".