78395 has 4 divisors (see below), whose sum is σ = 94080. Its totient is φ = 62712.

The previous prime is 78367. The next prime is 78401. The reversal of 78395 is 59387.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78395 - 2⁸ = 78139 is a prime.

It is a super-2 number, since 2×78395² = 12291552050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7835 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (23520).

2⁷⁸³⁹⁵ is an apocalyptic number.

78395 is a deficient number, since it is larger than the sum of its proper divisors (15685).

78395 is a wasteful number, since it uses less digits than its factorization.

78395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15684.

The product of its digits is 7560, while the sum is 32.

The square root of 78395 is about 279.9910712862. The cubic root of 78395 is about 42.7985893500.

It can be divided in two parts, 783 and 95, that added together give a palindrome (878).

The spelling of 78395 in words is "seventy-eight thousand, three hundred ninety-five".