82152879 has 8 divisors (see below), whose sum is σ = 109928112. Its totient is φ = 54573120.

The previous prime is 82152859. The next prime is 82152887. The reversal of 82152879 is 97825128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82152879 - 2¹³ = 82144687 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 82152879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82152859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47884 + ... + 49569.

It is an arithmetic number, because the mean of its divisors is an integer number (13741014).

Almost surely, 2^82152879 is an apocalyptic number.

82152879 is a deficient number, since it is larger than the sum of its proper divisors (27775233).

82152879 is a wasteful number, since it uses less digits than its factorization.

82152879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97737.

The product of its digits is 80640, while the sum is 42.

The square root of 82152879 is about 9063.8225379803. The cubic root of 82152879 is about 434.7179728253.

The spelling of 82152879 in words is "eighty-two million, one hundred fifty-two thousand, eight hundred seventy-nine".