78604994 has 16 divisors (see below), whose sum is σ = 127232448. Its totient is φ = 36206352.

The previous prime is 78604987. The next prime is 78605029. The reversal of 78604994 is 49940687.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11459 + ... + 16985.

It is an arithmetic number, because the mean of its divisors is an integer number (7952028).

Almost surely, 2^78604994 is an apocalyptic number.

78604994 is a deficient number, since it is larger than the sum of its proper divisors (48627454).

78604994 is a wasteful number, since it uses less digits than its factorization.

78604994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 78604994 is about 8865.9457476346. The cubic root of 78604994 is about 428.3676965102.

The spelling of 78604994 in words is "seventy-eight million, six hundred four thousand, nine hundred ninety-four".