78808104 has 24 divisors (see below), whose sum is σ = 213438810. Its totient is φ = 26269344.

The previous prime is 78808091. The next prime is 78808111. The reversal of 78808104 is 40180887.

It can be written as a sum of positive squares in only one way, i.e., 40985604 + 37822500 = 6402^2 + 6150^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 547207 + ... + 547350.

Almost surely, 2^78808104 is an apocalyptic number.

It is an amenable number.

78808104 is an abundant number, since it is smaller than the sum of its proper divisors (134630706).

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

78808104 is a wasteful number, since it uses less digits than its factorization.

78808104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094569 (or 1094562 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 78808104 is about 8877.3928605194. The cubic root of 78808104 is about 428.7363369184.

The spelling of 78808104 in words is "seventy-eight million, eight hundred eight thousand, one hundred four".