82369331 has 16 divisors (see below), whose sum is σ = 92508288. Its totient is φ = 72705600.

The previous prime is 82369321. The next prime is 82369361. The reversal of 82369331 is 13396328.

It is not a de Polignac number, because 82369331 - 2¹⁸ = 82107187 is a prime.

It is a super-2 number, since 2×82369331² = 13569413378775122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82369291 and 82369300.

It is not an unprimeable number, because it can be changed into a prime (82369321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53036 + ... + 54566.

It is an arithmetic number, because the mean of its divisors is an integer number (5781768).

Almost surely, 2^82369331 is an apocalyptic number.

82369331 is a deficient number, since it is larger than the sum of its proper divisors (10138957).

82369331 is a wasteful number, since it uses less digits than its factorization.

82369331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its digits is 23328, while the sum is 35.

The square root of 82369331 is about 9075.7551200988. The cubic root of 82369331 is about 435.0994285423.

The spelling of 82369331 in words is "eighty-two million, three hundred sixty-nine thousand, three hundred thirty-one".