79886493 has 24 divisors (see below), whose sum is σ = 120085056. Its totient is φ = 53071200.

The previous prime is 79886479. The next prime is 79886533. The reversal of 79886493 is 39468897.

79886493 is a `hidden beast` number, since 79 + 8 + 86 + 493 = 666.

It is not a de Polignac number, because 79886493 - 2⁵ = 79886461 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79886453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126288 + ... + 126918.

It is an arithmetic number, because the mean of its divisors is an integer number (5003544).

Almost surely, 2^79886493 is an apocalyptic number.

It is an amenable number.

79886493 is a deficient number, since it is larger than the sum of its proper divisors (40198563).

79886493 is an equidigital number, since it uses as much as digits as its factorization.

79886493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1155 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 79886493 is about 8937.9244234889. The cubic root of 79886493 is about 430.6830553685.

The spelling of 79886493 in words is "seventy-nine million, eight hundred eighty-six thousand, four hundred ninety-three".