82290899 has 6 divisors (see below), whose sum is σ = 83756580. Its totient is φ = 80827640.

The previous prime is 82290889. The next prime is 82290907. The reversal of 82290899 is 99809228.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-82290899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82290869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69089 + ... + 70269.

It is an arithmetic number, because the mean of its divisors is an integer number (13959430).

Almost surely, 2^82290899 is an apocalyptic number.

82290899 is a deficient number, since it is larger than the sum of its proper divisors (1465681).

82290899 is an frugal number, since it uses more digits than its factorization.

82290899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 82290899 is about 9071.4331282328. The cubic root of 82290899 is about 434.9612842630.

The spelling of 82290899 in words is "eighty-two million, two hundred ninety thousand, eight hundred ninety-nine".