82486069 has 2 divisors, whose sum is σ = 82486070. Its totient is φ = 82486068.

The previous prime is 82486051. The next prime is 82486093. The reversal of 82486069 is 96068428.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82137969 + 348100 = 9063^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 82486069 - 2⁵ = 82486037 is a prime.

It is a super-2 number, since 2×82486069² = 13607903158145522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82486039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41243034 + 41243035.

It is an arithmetic number, because the mean of its divisors is an integer number (41243035).

Almost surely, 2^82486069 is an apocalyptic number.

It is an amenable number.

82486069 is a deficient number, since it is larger than the sum of its proper divisors (1).

82486069 is an equidigital number, since it uses as much as digits as its factorization.

82486069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 82486069 is about 9082.1841536053. The cubic root of 82486069 is about 435.3048798514.

The spelling of 82486069 in words is "eighty-two million, four hundred eighty-six thousand, sixty-nine".