79641995 has 4 divisors (see below), whose sum is σ = 95570400. Its totient is φ = 63713592.

The previous prime is 79641973. The next prime is 79642009. The reversal of 79641995 is 59914697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59914697 = 3331 ⋅17987.

It is a cyclic number.

It is not a de Polignac number, because 79641995 - 2⁶ = 79641931 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7964195 + ... + 7964204.

It is an arithmetic number, because the mean of its divisors is an integer number (23892600).

Almost surely, 2^79641995 is an apocalyptic number.

79641995 is a deficient number, since it is larger than the sum of its proper divisors (15928405).

79641995 is a wasteful number, since it uses less digits than its factorization.

79641995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928404.

The product of its digits is 612360, while the sum is 50.

The square root of 79641995 is about 8924.2363818985. The cubic root of 79641995 is about 430.2432281761.

The spelling of 79641995 in words is "seventy-nine million, six hundred forty-one thousand, nine hundred ninety-five".