82823799 has 4 divisors (see below), whose sum is σ = 110431736. Its totient is φ = 55215864.

The previous prime is 82823773. The next prime is 82823801. The reversal of 82823799 is 99732828.

It is a happy number.

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

It is not a de Polignac number, because 82823799 - 2¹² = 82819703 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 (82823749) 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, 13803964 + ... + 13803969.

It is an arithmetic number, because the mean of its divisors is an integer number (27607934).

Almost surely, 2^82823799 is an apocalyptic number.

82823799 is a deficient number, since it is larger than the sum of its proper divisors (27607937).

82823799 is a wasteful number, since it uses less digits than its factorization.

82823799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27607936.

The product of its digits is 435456, while the sum is 48.

The square root of 82823799 is about 9100.7581552308. The cubic root of 82823799 is about 435.8981732718.

The spelling of 82823799 in words is "eighty-two million, eight hundred twenty-three thousand, seven hundred ninety-nine".