78094518 has 32 divisors (see below), whose sum is σ = 163894272. Its totient is φ = 24775200.

The previous prime is 78094517. The next prime is 78094519. The reversal of 78094518 is 81549087.

It is an interprime number because it is at equal distance from previous prime (78094517) and next prime (78094519).

It is a self number, because there is not a number n which added to its sum of digits gives 78094518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78094517) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7905 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (5121696).

Almost surely, 2^78094518 is an apocalyptic number.

78094518 is an abundant number, since it is smaller than the sum of its proper divisors (85799754).

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

78094518 is a wasteful number, since it uses less digits than its factorization.

78094518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 78094518 is about 8837.1102742922. The cubic root of 78094518 is about 427.4383810507.

The spelling of 78094518 in words is "seventy-eight million, ninety-four thousand, five hundred eighteen".