78967608894 has 24 divisors (see below), whose sum is σ = 173262267360. Its totient is φ = 25989339168.

The previous prime is 78967608887. The next prime is 78967608899. The reversal of 78967608894 is 49880676987.

78967608894 is a `hidden beast` number, since 7 + 8 + 9 + 6 + 7 + 608 + 8 + 9 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78967608899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27764967 + ... + 27767810.

It is an arithmetic number, because the mean of its divisors is an integer number (7219261140).

Almost surely, 2^78967608894 is an apocalyptic number.

78967608894 is an abundant number, since it is smaller than the sum of its proper divisors (94294658466).

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

78967608894 is a wasteful number, since it uses less digits than its factorization.

78967608894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55532864 (or 55532861 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 72.

The spelling of 78967608894 in words is "seventy-eight billion, nine hundred sixty-seven million, six hundred eight thousand, eight hundred ninety-four".