78865195 has 8 divisors (see below), whose sum is σ = 94687920. Its totient is φ = 63059040.

The previous prime is 78865187. The next prime is 78865217. The reversal of 78865195 is 59156887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78865195 - 2³ = 78865187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12201 + ... + 17509.

It is an arithmetic number, because the mean of its divisors is an integer number (11835990).

Almost surely, 2^78865195 is an apocalyptic number.

78865195 is a deficient number, since it is larger than the sum of its proper divisors (15822725).

78865195 is a wasteful number, since it uses less digits than its factorization.

78865195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285.

The product of its digits is 604800, while the sum is 49.

The square root of 78865195 is about 8880.6078057755. The cubic root of 78865195 is about 428.8398418319.

The spelling of 78865195 in words is "seventy-eight million, eight hundred sixty-five thousand, one hundred ninety-five".