79827119 has 4 divisors (see below), whose sum is σ = 80056200. Its totient is φ = 79598040.

The previous prime is 79827109. The next prime is 79827133. The reversal of 79827119 is 91172897.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79827119 - 2⁸ = 79826863 is a prime.

It is a super-2 number, since 2×79827119² = 12744737855680322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79827119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79827109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114017 + ... + 114714.

It is an arithmetic number, because the mean of its divisors is an integer number (20014050).

Almost surely, 2^79827119 is an apocalyptic number.

79827119 is a deficient number, since it is larger than the sum of its proper divisors (229081).

79827119 is a wasteful number, since it uses less digits than its factorization.

79827119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229080.

The product of its digits is 63504, while the sum is 44.

The square root of 79827119 is about 8934.6023414587. The cubic root of 79827119 is about 430.5763301366.

The spelling of 79827119 in words is "seventy-nine million, eight hundred twenty-seven thousand, one hundred nineteen".