78695 has 4 divisors (see below), whose sum is σ = 94440. Its totient is φ = 62952.

The previous prime is 78691. The next prime is 78697. The reversal of 78695 is 59687.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59687 = 17 ⋅3511.

It is a cyclic number.

It is not a de Polignac number, because 78695 - 2² = 78691 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7865 + ... + 7874.

It is an arithmetic number, because the mean of its divisors is an integer number (23610).

2⁷⁸⁶⁹⁵ is an apocalyptic number.

78695 is a deficient number, since it is larger than the sum of its proper divisors (15745).

78695 is a wasteful number, since it uses less digits than its factorization.

78695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15744.

The product of its digits is 15120, while the sum is 35.

The square root of 78695 is about 280.5262911030. The cubic root of 78695 is about 42.8531133778.

The spelling of 78695 in words is "seventy-eight thousand, six hundred ninety-five".