78501168 has 60 divisors (see below), whose sum is σ = 220376520. Its totient is φ = 26085888.

The previous prime is 78501127. The next prime is 78501169. The reversal of 78501168 is 86110587.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (78501169) 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 11 ways as a sum of consecutive naturals, for example, 61723 + ... + 62981.

It is an arithmetic number, because the mean of its divisors is an integer number (3672942).

Almost surely, 2^78501168 is an apocalyptic number.

It is an amenable number.

78501168 is an abundant number, since it is smaller than the sum of its proper divisors (141875352).

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

78501168 is a wasteful number, since it uses less digits than its factorization.

78501168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 78501168 is about 8860.0884871428. The cubic root of 78501168 is about 428.1790091737.

The spelling of 78501168 in words is "seventy-eight million, five hundred one thousand, one hundred sixty-eight".