78916694 has 8 divisors (see below), whose sum is σ = 119227080. Its totient is φ = 39174336.

The previous prime is 78916679. The next prime is 78916697. The reversal of 78916694 is 49661987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78916697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141659 + ... + 142214.

It is an arithmetic number, because the mean of its divisors is an integer number (14903385).

Almost surely, 2^78916694 is an apocalyptic number.

78916694 is a deficient number, since it is larger than the sum of its proper divisors (40310386).

78916694 is a wasteful number, since it uses less digits than its factorization.

78916694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284014.

The product of its digits is 653184, while the sum is 50.

The square root of 78916694 is about 8883.5068525892. The cubic root of 78916694 is about 428.9331657104.

The spelling of 78916694 in words is "seventy-eight million, nine hundred sixteen thousand, six hundred ninety-four".