78485084 has 12 divisors (see below), whose sum is σ = 137472384. Its totient is φ = 39207264.

The previous prime is 78485081. The next prime is 78485089. The reversal of 78485084 is 48058487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78485081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3452 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (11456032).

Almost surely, 2^78485084 is an apocalyptic number.

It is an amenable number.

78485084 is a deficient number, since it is larger than the sum of its proper divisors (58987300).

78485084 is a wasteful number, since it uses less digits than its factorization.

78485084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17644 (or 17642 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 78485084 is about 8859.1807747669. The cubic root of 78485084 is about 428.1497641668.

The spelling of 78485084 in words is "seventy-eight million, four hundred eighty-five thousand, eighty-four".