82192879 has 8 divisors (see below), whose sum is σ = 86672240. Its totient is φ = 77728896.

The previous prime is 82192843. The next prime is 82192897. The reversal of 82192879 is 97829128.

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

It is a cyclic number.

It is not a de Polignac number, because 82192879 - 2⁷ = 82192751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82192679) 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, 8119 + ... + 15175.

It is an arithmetic number, because the mean of its divisors is an integer number (10834030).

Almost surely, 2^82192879 is an apocalyptic number.

82192879 is a deficient number, since it is larger than the sum of its proper divisors (4479361).

82192879 is a wasteful number, since it uses less digits than its factorization.

82192879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689.

The product of its digits is 145152, while the sum is 46.

The square root of 82192879 is about 9066.0288439868. The cubic root of 82192879 is about 434.7885156868.

The spelling of 82192879 in words is "eighty-two million, one hundred ninety-two thousand, eight hundred seventy-nine".