78973395 has 16 divisors (see below), whose sum is σ = 129047040. Its totient is φ = 41222624.

The previous prime is 78973379. The next prime is 78973439. The reversal of 78973395 is 59337987.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 78973395 - 2⁴ = 78973379 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 55305 + ... + 56714.

It is an arithmetic number, because the mean of its divisors is an integer number (8065440).

Almost surely, 2^78973395 is an apocalyptic number.

78973395 is a deficient number, since it is larger than the sum of its proper divisors (50073645).

78973395 is a wasteful number, since it uses less digits than its factorization.

78973395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112074.

The product of its digits is 1428840, while the sum is 51.

The square root of 78973395 is about 8886.6976431068. The cubic root of 78973395 is about 429.0358694423.

The spelling of 78973395 in words is "seventy-eight million, nine hundred seventy-three thousand, three hundred ninety-five".