78994594 has 16 divisors (see below), whose sum is σ = 135766656. Its totient is φ = 33768000.

The previous prime is 78994567. The next prime is 78994613. The reversal of 78994594 is 49549987.

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 7 ways as a sum of consecutive naturals, for example, 1422 + ... + 12649.

It is an arithmetic number, because the mean of its divisors is an integer number (8485416).

Almost surely, 2^78994594 is an apocalyptic number.

78994594 is a deficient number, since it is larger than the sum of its proper divisors (56772062).

78994594 is a wasteful number, since it uses less digits than its factorization.

78994594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481.

The product of its digits is 3265920, while the sum is 55.

The square root of 78994594 is about 8887.8903008532. The cubic root of 78994594 is about 429.0742550180.

The spelling of 78994594 in words is "seventy-eight million, nine hundred ninety-four thousand, five hundred ninety-four".