78683075 has 6 divisors (see below), whose sum is σ = 97567044. Its totient is φ = 62946440.

The previous prime is 78683051. The next prime is 78683083. The reversal of 78683075 is 57038687.

It is not a de Polignac number, because 78683075 - 2¹⁸ = 78420931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1573637 + ... + 1573686.

It is an arithmetic number, because the mean of its divisors is an integer number (16261174).

Almost surely, 2^78683075 is an apocalyptic number.

78683075 is a deficient number, since it is larger than the sum of its proper divisors (18883969).

78683075 is a wasteful number, since it uses less digits than its factorization.

78683075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147333 (or 3147328 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 78683075 is about 8870.3480765977. The cubic root of 78683075 is about 428.5094869475.

The spelling of 78683075 in words is "seventy-eight million, six hundred eighty-three thousand, seventy-five".