78008275 has 6 divisors (see below), whose sum is σ = 96730292. Its totient is φ = 62406600.

The previous prime is 78008269. The next prime is 78008279. The reversal of 78008275 is 57280087.

It is not a de Polignac number, because 78008275 - 2³ = 78008267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78008279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1560141 + ... + 1560190.

Almost surely, 2^78008275 is an apocalyptic number.

78008275 is a deficient number, since it is larger than the sum of its proper divisors (18722017).

78008275 is a wasteful number, since it uses less digits than its factorization.

78008275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120341 (or 3120336 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 78008275 is about 8832.2293335262. The cubic root of 78008275 is about 427.2809771443.

The spelling of 78008275 in words is "seventy-eight million, eight thousand, two hundred seventy-five".