78580902 has 16 divisors (see below), whose sum is σ = 166406832. Its totient is φ = 24652800.

The previous prime is 78580889. The next prime is 78580937. The reversal of 78580902 is 20908587.

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 7 ways as a sum of consecutive naturals, for example, 385099 + ... + 385302.

It is an arithmetic number, because the mean of its divisors is an integer number (10400427).

Almost surely, 2^78580902 is an apocalyptic number.

78580902 is an abundant number, since it is smaller than the sum of its proper divisors (87825930).

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

78580902 is a wasteful number, since it uses less digits than its factorization.

78580902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770423.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 78580902 is about 8864.5869616130. The cubic root of 78580902 is about 428.3239279209.

The spelling of 78580902 in words is "seventy-eight million, five hundred eighty thousand, nine hundred two".