78875814 has 8 divisors (see below), whose sum is σ = 157751640. Its totient is φ = 26291936.

The previous prime is 78875807. The next prime is 78875827. The reversal of 78875814 is 41857887.

It is a sphenic number, since it is the product of 3 distinct primes.

78875814 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6572979 + ... + 6572990.

It is an arithmetic number, because the mean of its divisors is an integer number (19718955).

Almost surely, 2^78875814 is an apocalyptic number.

78875814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78875814 is a wasteful number, since it uses less digits than its factorization.

78875814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13145974.

The product of its digits is 501760, while the sum is 48.

The square root of 78875814 is about 8881.2056613953. The cubic root of 78875814 is about 428.8590883698.

The spelling of 78875814 in words is "seventy-eight million, eight hundred seventy-five thousand, eight hundred fourteen".