82290117 has 16 divisors (see below), whose sum is σ = 135040640. Its totient is φ = 43405632.

The previous prime is 82290107. The next prime is 82290161. The reversal of 82290117 is 71109228.

It is not a de Polignac number, because 82290117 - 2⁸ = 82289861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82290107) 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, 150442 + ... + 150987.

It is an arithmetic number, because the mean of its divisors is an integer number (8440040).

Almost surely, 2^82290117 is an apocalyptic number.

It is an amenable number.

82290117 is a deficient number, since it is larger than the sum of its proper divisors (52750523).

82290117 is a wasteful number, since it uses less digits than its factorization.

82290117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301452.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 82290117 is about 9071.3900257899. The cubic root of 82290117 is about 434.9599064646.

The spelling of 82290117 in words is "eighty-two million, two hundred ninety thousand, one hundred seventeen".