78580004 has 12 divisors (see below), whose sum is σ = 137597964. Its totient is φ = 39266304.

The previous prime is 78580003. The next prime is 78580097. The reversal of 78580004 is 40008587.

It can be written as a sum of positive squares in 2 ways, for example, as 43533604 + 35046400 = 6598^2 + 5920^2 .

It is not an unprimeable number, because it can be changed into a prime (78580003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3044 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (11466497).

Almost surely, 2^78580004 is an apocalyptic number.

It is an amenable number.

78580004 is a deficient number, since it is larger than the sum of its proper divisors (59017960).

78580004 is a wasteful number, since it uses less digits than its factorization.

78580004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11854 (or 11852 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 78580004 is about 8864.5363104902. The cubic root of 78580004 is about 428.3222963270.

The spelling of 78580004 in words is "seventy-eight million, five hundred eighty thousand, four".