78625395 has 12 divisors (see below), whose sum is σ = 136284096. Its totient is φ = 41933520.

The previous prime is 78625373. The next prime is 78625403. The reversal of 78625395 is 59352687.

It is a happy number.

It is not a de Polignac number, because 78625395 - 2⁸ = 78625139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1747231 = 78625395 / (7 + 8 + 6 + 2 + 5 + 3 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 78625395.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873571 + ... + 873660.

It is an arithmetic number, because the mean of its divisors is an integer number (11357008).

Almost surely, 2^78625395 is an apocalyptic number.

78625395 is a deficient number, since it is larger than the sum of its proper divisors (57658701).

78625395 is a wasteful number, since it uses less digits than its factorization.

78625395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747242 (or 1747239 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 78625395 is about 8867.0961988692. The cubic root of 78625395 is about 428.4047525673.

The spelling of 78625395 in words is "seventy-eight million, six hundred twenty-five thousand, three hundred ninety-five".