78959255 has 4 divisors (see below), whose sum is σ = 94751112. Its totient is φ = 63167400.

The previous prime is 78959249. The next prime is 78959267. The reversal of 78959255 is 55295987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55295987 = 587 ⋅94201.

It is not a de Polignac number, because 78959255 - 2⁴ = 78959239 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 7895921 + ... + 7895930.

It is an arithmetic number, because the mean of its divisors is an integer number (23687778).

Almost surely, 2^78959255 is an apocalyptic number.

78959255 is a deficient number, since it is larger than the sum of its proper divisors (15791857).

78959255 is a wasteful number, since it uses less digits than its factorization.

78959255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15791856.

The product of its digits is 1134000, while the sum is 50.

The square root of 78959255 is about 8885.9020363720. The cubic root of 78959255 is about 429.0102619606.

The spelling of 78959255 in words is "seventy-eight million, nine hundred fifty-nine thousand, two hundred fifty-five".