82411665 has 64 divisors (see below), whose sum is σ = 161201664. Its totient is φ = 35094528.

The previous prime is 82411643. The next prime is 82411687. The reversal of 82411665 is 56611428.

It is an interprime number because it is at equal distance from previous prime (82411643) and next prime (82411687).

It is not a de Polignac number, because 82411665 - 2⁸ = 82411409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 244377 + ... + 244713.

It is an arithmetic number, because the mean of its divisors is an integer number (2518776).

Almost surely, 2^82411665 is an apocalyptic number.

82411665 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82411665 is a deficient number, since it is larger than the sum of its proper divisors (78789999).

82411665 is a wasteful number, since it uses less digits than its factorization.

82411665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its digits is 11520, while the sum is 33.

The square root of 82411665 is about 9078.0870782340. The cubic root of 82411665 is about 435.1739560567.

The spelling of 82411665 in words is "eighty-two million, four hundred eleven thousand, six hundred sixty-five".