78104994 has 16 divisors (see below), whose sum is σ = 170411040. Its totient is φ = 23668160.

The previous prime is 78104981. The next prime is 78105007. The reversal of 78104994 is 49940187.

It is an interprime number because it is at equal distance from previous prime (78104981) and next prime (78105007).

It is a super-2 number, since 2×78104994² = 12200780175480072, which contains 22 as substring.

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, 591639 + ... + 591770.

It is an arithmetic number, because the mean of its divisors is an integer number (10650690).

Almost surely, 2^78104994 is an apocalyptic number.

78104994 is an abundant number, since it is smaller than the sum of its proper divisors (92306046).

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

78104994 is a wasteful number, since it uses less digits than its factorization.

78104994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183425.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 78104994 is about 8837.7029821102. The cubic root of 78104994 is about 427.4574931232.

The spelling of 78104994 in words is "seventy-eight million, one hundred four thousand, nine hundred ninety-four".