78813080 has 16 divisors (see below), whose sum is σ = 177329520. Its totient is φ = 31525216.

The previous prime is 78813079. The next prime is 78813089. The reversal of 78813080 is 8031887.

It is a self number, because there is not a number n which added to its sum of digits gives 78813080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78813089) 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 3 ways as a sum of consecutive naturals, for example, 985124 + ... + 985203.

It is an arithmetic number, because the mean of its divisors is an integer number (11083095).

Almost surely, 2^78813080 is an apocalyptic number.

It is an amenable number.

78813080 is an abundant number, since it is smaller than the sum of its proper divisors (98516440).

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

78813080 is a wasteful number, since it uses less digits than its factorization.

78813080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970338 (or 1970334 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 78813080 is about 8877.6731185598. The cubic root of 78813080 is about 428.7453603013.

The spelling of 78813080 in words is "seventy-eight million, eight hundred thirteen thousand, eighty".