78764304 has 80 divisors (see below), whose sum is σ = 215097344. Its totient is φ = 24796800.

The previous prime is 78764297. The next prime is 78764327. The reversal of 78764304 is 40346787.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63369 + ... + 64599.

Almost surely, 2^78764304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78764304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107548672).

78764304 is an abundant number, since it is smaller than the sum of its proper divisors (136333040).

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

78764304 is a wasteful number, since it uses less digits than its factorization.

78764304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 78764304 is about 8874.9255771527. The cubic root of 78764304 is about 428.6568944473.

The spelling of 78764304 in words is "seventy-eight million, seven hundred sixty-four thousand, three hundred four".