78965396 has 12 divisors (see below), whose sum is σ = 140252448. Its totient is φ = 38893272.

The previous prime is 78965317. The next prime is 78965399. The reversal of 78965396 is 69356987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78965399) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 147056 + ... + 147591.

It is an arithmetic number, because the mean of its divisors is an integer number (11687704).

Almost surely, 2^78965396 is an apocalyptic number.

It is an amenable number.

78965396 is a deficient number, since it is larger than the sum of its proper divisors (61287052).

78965396 is a wasteful number, since it uses less digits than its factorization.

78965396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294718 (or 294716 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 78965396 is about 8886.2475770147. The cubic root of 78965396 is about 429.0213836618.

The spelling of 78965396 in words is "seventy-eight million, nine hundred sixty-five thousand, three hundred ninety-six".