78946794 has 24 divisors (see below), whose sum is σ = 171954432. Its totient is φ = 26176680.

The previous prime is 78946727. The next prime is 78946807. The reversal of 78946794 is 49764987.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78946794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8044 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (7164768).

Almost surely, 2^78946794 is an apocalyptic number.

78946794 is an abundant number, since it is smaller than the sum of its proper divisors (93007638).

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

78946794 is a wasteful number, since it uses less digits than its factorization.

78946794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23162 (or 23159 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 78946794 is about 8885.2008418493. The cubic root of 78946794 is about 428.9876926066.

The spelling of 78946794 in words is "seventy-eight million, nine hundred forty-six thousand, seven hundred ninety-four".