79816895 has 4 divisors (see below), whose sum is σ = 95780280. Its totient is φ = 63853512.

The previous prime is 79816883. The next prime is 79816897. The reversal of 79816895 is 59861897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59861897 = 223 ⋅268439.

It is a cyclic number.

It is not a de Polignac number, because 79816895 - 2⁴ = 79816879 is a prime.

It is a super-3 number, since 3×79816895³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79816897) 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, 7981685 + ... + 7981694.

It is an arithmetic number, because the mean of its divisors is an integer number (23945070).

Almost surely, 2^79816895 is an apocalyptic number.

79816895 is a deficient number, since it is larger than the sum of its proper divisors (15963385).

79816895 is a wasteful number, since it uses less digits than its factorization.

79816895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963384.

The product of its digits is 1088640, while the sum is 53.

The square root of 79816895 is about 8934.0301656084. The cubic root of 79816895 is about 430.5579470758.

The spelling of 79816895 in words is "seventy-nine million, eight hundred sixteen thousand, eight hundred ninety-five".