79986495 has 16 divisors (see below), whose sum is σ = 132392160. Its totient is φ = 41188224.

The previous prime is 79986469. The next prime is 79986499. The reversal of 79986495 is 59468997.

It is not a de Polignac number, because 79986495 - 2¹¹ = 79984447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79986499) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 91504 + ... + 92373.

It is an arithmetic number, because the mean of its divisors is an integer number (8274510).

Almost surely, 2^79986495 is an apocalyptic number.

79986495 is a deficient number, since it is larger than the sum of its proper divisors (52405665).

79986495 is a wasteful number, since it uses less digits than its factorization.

79986495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183914.

The product of its digits is 4898880, while the sum is 57.

The square root of 79986495 is about 8943.5169256842. The cubic root of 79986495 is about 430.8626902748.

The spelling of 79986495 in words is "seventy-nine million, nine hundred eighty-six thousand, four hundred ninety-five".