78436204 has 24 divisors (see below), whose sum is σ = 171134208. Its totient is φ = 30559440.

The previous prime is 78436159. The next prime is 78436207. The reversal of 78436204 is 40263487.

It is a self number, because there is not a number n which added to its sum of digits gives 78436204.

It is not an unprimeable number, because it can be changed into a prime (78436207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127024 + ... + 127639.

It is an arithmetic number, because the mean of its divisors is an integer number (7130592).

Almost surely, 2^78436204 is an apocalyptic number.

It is an amenable number.

78436204 is an abundant number, since it is smaller than the sum of its proper divisors (92698004).

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

78436204 is a wasteful number, since it uses less digits than its factorization.

78436204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254685 (or 254683 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 78436204 is about 8856.4216250131. The cubic root of 78436204 is about 428.0608627454.

The spelling of 78436204 in words is "seventy-eight million, four hundred thirty-six thousand, two hundred four".