82419858 has 24 divisors (see below), whose sum is σ = 182377728. Its totient is φ = 26888472.

The previous prime is 82419839. The next prime is 82419871. The reversal of 82419858 is 85891428.

It is a happy number.

It is a super-3 number, since 3×82419858³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47866 + ... + 49557.

It is an arithmetic number, because the mean of its divisors is an integer number (7599072).

Almost surely, 2^82419858 is an apocalyptic number.

82419858 is an abundant number, since it is smaller than the sum of its proper divisors (99957870).

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

82419858 is a wasteful number, since it uses less digits than its factorization.

82419858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97478 (or 97475 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 82419858 is about 9078.5383184740. The cubic root of 82419858 is about 435.1883765965.

The spelling of 82419858 in words is "eighty-two million, four hundred nineteen thousand, eight hundred fifty-eight".