82055886 has 16 divisors (see below), whose sum is σ = 179031168. Its totient is φ = 24865400.

The previous prime is 82055867. The next prime is 82055887. The reversal of 82055886 is 68855028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82055887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621570 + ... + 621701.

It is an arithmetic number, because the mean of its divisors is an integer number (11189448).

Almost surely, 2^82055886 is an apocalyptic number.

82055886 is an abundant number, since it is smaller than the sum of its proper divisors (96975282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82055886 is a wasteful number, since it uses less digits than its factorization.

82055886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243287.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 82055886 is about 9058.4704006802. The cubic root of 82055886 is about 434.5468235993.

The spelling of 82055886 in words is "eighty-two million, fifty-five thousand, eight hundred eighty-six".