78008330 has 16 divisors (see below), whose sum is σ = 140515560. Its totient is φ = 31180992.

The previous prime is 78008327. The next prime is 78008351. The reversal of 78008330 is 3380087.

It can be written as a sum of positive squares in 4 ways, for example, as 72301009 + 5707321 = 8503^2 + 2389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78008293 and 78008302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26492 + ... + 29288.

Almost surely, 2^78008330 is an apocalyptic number.

78008330 is a deficient number, since it is larger than the sum of its proper divisors (62507230).

78008330 is a wasteful number, since it uses less digits than its factorization.

78008330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 78008330 is about 8832.2324471223. The cubic root of 78008330 is about 427.2810775629.

The spelling of 78008330 in words is "seventy-eight million, eight thousand, three hundred thirty".