82371113 has 12 divisors (see below), whose sum is σ = 91219380. Its totient is φ = 74321280.

The previous prime is 82371077. The next prime is 82371131. The reversal of 82371113 is 31117328.

It can be written as a sum of positive squares in 2 ways, for example, as 31719424 + 50651689 = 5632^2 + 7117^2 .

It is not a de Polignac number, because 82371113 - 2¹⁰ = 82370089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82371713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14093 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (7601615).

Almost surely, 2^82371113 is an apocalyptic number.

It is an amenable number.

82371113 is a deficient number, since it is larger than the sum of its proper divisors (8848267).

82371113 is a wasteful number, since it uses less digits than its factorization.

82371113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128 (or 5117 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 82371113 is about 9075.8532932171. The cubic root of 82371113 is about 435.1025662052.

The spelling of 82371113 in words is "eighty-two million, three hundred seventy-one thousand, one hundred thirteen".