82192397 has 4 divisors (see below), whose sum is σ = 93934176. Its totient is φ = 70450620.

The previous prime is 82192391. The next prime is 82192427. The reversal of 82192397 is 79329128.

It is a happy number.

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 not a de Polignac number, because 82192397 - 2⁶ = 82192333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82192391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5870879 + ... + 5870892.

It is an arithmetic number, because the mean of its divisors is an integer number (23483544).

Almost surely, 2^82192397 is an apocalyptic number.

It is an amenable number.

82192397 is a deficient number, since it is larger than the sum of its proper divisors (11741779).

82192397 is a wasteful number, since it uses less digits than its factorization.

82192397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11741778.

The product of its digits is 54432, while the sum is 41.

The square root of 82192397 is about 9066.0022611954. The cubic root of 82192397 is about 434.7876657816.

Subtracting from 82192397 its sum of digits (41), we obtain a square (82192356 = 9066²).

The spelling of 82192397 in words is "eighty-two million, one hundred ninety-two thousand, three hundred ninety-seven".