78536204 has 6 divisors (see below), whose sum is σ = 137438364. Its totient is φ = 39268100.

The previous prime is 78536173. The next prime is 78536221. The reversal of 78536204 is 40263587.

It is a happy 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 as a sum of consecutive naturals, namely, 9817022 + ... + 9817029.

It is an arithmetic number, because the mean of its divisors is an integer number (22906394).

Almost surely, 2^78536204 is an apocalyptic number.

It is an amenable number.

78536204 is a deficient number, since it is larger than the sum of its proper divisors (58902160).

78536204 is a wasteful number, since it uses less digits than its factorization.

78536204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19634055 (or 19634053 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 78536204 is about 8862.0654477385. The cubic root of 78536204 is about 428.2427001517.

The spelling of 78536204 in words is "seventy-eight million, five hundred thirty-six thousand, two hundred four".