78075008 has 72 divisors (see below), whose sum is σ = 173407395. Its totient is φ = 34988800.

The previous prime is 78074993. The next prime is 78075017. The reversal of 78075008 is 80057087.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 39037504 = 6248^2 + 6248^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6248.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1099613 + ... + 1099683.

Almost surely, 2^78075008 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 78075008

78075008 is an abundant number, since it is smaller than the sum of its proper divisors (95332387).

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

78075008 is an equidigital number, since it uses as much as digits as its factorization.

78075008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 78075008 is about 8836.0063377071. The cubic root of 78075008 is about 427.4027830874.

The spelling of 78075008 in words is "seventy-eight million, seventy-five thousand, eight".