82486331 has 4 divisors (see below), whose sum is σ = 82529832. Its totient is φ = 82442832.

The previous prime is 82486279. The next prime is 82486333. The reversal of 82486331 is 13368428.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82486331 is a prime.

It is a super-2 number, since 2×82486331² = 13607989603683122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82486291 and 82486300.

It is not an unprimeable number, because it can be changed into a prime (82486333) 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, 18770 + ... + 22743.

It is an arithmetic number, because the mean of its divisors is an integer number (20632458).

Almost surely, 2^82486331 is an apocalyptic number.

82486331 is a deficient number, since it is larger than the sum of its proper divisors (43501).

82486331 is a wasteful number, since it uses less digits than its factorization.

82486331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43500.

The product of its digits is 27648, while the sum is 35.

The square root of 82486331 is about 9082.1985774371. The cubic root of 82486331 is about 435.3053407364.

The spelling of 82486331 in words is "eighty-two million, four hundred eighty-six thousand, three hundred thirty-one".