82249797 has 16 divisors (see below), whose sum is σ = 125511680. Its totient is φ = 46932912.

The previous prime is 82249793. The next prime is 82249807. The reversal of 82249797 is 79794228.

It is not a de Polignac number, because 82249797 - 2² = 82249793 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82249793) 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 15 ways as a sum of consecutive naturals, for example, 14904 + ... + 19662.

It is an arithmetic number, because the mean of its divisors is an integer number (7844480).

Almost surely, 2^82249797 is an apocalyptic number.

It is an amenable number.

82249797 is a deficient number, since it is larger than the sum of its proper divisors (43261883).

82249797 is a wasteful number, since it uses less digits than its factorization.

82249797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592.

The product of its digits is 508032, while the sum is 48.

The square root of 82249797 is about 9069.1673818493. The cubic root of 82249797 is about 434.8888552085. Note that the first 4 decimals are identical.

The spelling of 82249797 in words is "eighty-two million, two hundred forty-nine thousand, seven hundred ninety-seven".