79827883 has 4 divisors (see below), whose sum is σ = 82403008. Its totient is φ = 77252760.

The previous prime is 79827859. The next prime is 79827889. The reversal of 79827883 is 38872897.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79827883 is a prime.

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 79827883.

It is not an unprimeable number, because it can be changed into a prime (79827889) 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, 1287516 + ... + 1287577.

It is an arithmetic number, because the mean of its divisors is an integer number (20600752).

Almost surely, 2^79827883 is an apocalyptic number.

79827883 is a deficient number, since it is larger than the sum of its proper divisors (2575125).

79827883 is a wasteful number, since it uses less digits than its factorization.

79827883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575124.

The product of its digits is 1354752, while the sum is 52.

The square root of 79827883 is about 8934.6450964770. The cubic root of 79827883 is about 430.5777037687.

The spelling of 79827883 in words is "seventy-nine million, eight hundred twenty-seven thousand, eight hundred eighty-three".