82392997 has 4 divisors (see below), whose sum is σ = 82468800. Its totient is φ = 82317196.

The previous prime is 82392979. The next prime is 82393027. The reversal of 82392997 is 79929328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82392997 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 82392997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82392917) 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, 36247 + ... + 38452.

It is an arithmetic number, because the mean of its divisors is an integer number (20617200).

Almost surely, 2^82392997 is an apocalyptic number.

It is an amenable number.

82392997 is a deficient number, since it is larger than the sum of its proper divisors (75803).

82392997 is a wasteful number, since it uses less digits than its factorization.

82392997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75802.

The product of its digits is 489888, while the sum is 49.

The square root of 82392997 is about 9077.0588298193. The cubic root of 82392997 is about 435.1410948475.

It can be divided in two parts, 8239 and 2997, that added together give a square (11236 = 106²).

The spelling of 82392997 in words is "eighty-two million, three hundred ninety-two thousand, nine hundred ninety-seven".