82805486 has 16 divisors (see below), whose sum is σ = 127491840. Its totient is φ = 40312320.

The previous prime is 82805479. The next prime is 82805507. The reversal of 82805486 is 68450828.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75635 + ... + 76721.

It is an arithmetic number, because the mean of its divisors is an integer number (7968240).

Almost surely, 2^82805486 is an apocalyptic number.

82805486 is a deficient number, since it is larger than the sum of its proper divisors (44686354).

82805486 is a wasteful number, since it uses less digits than its factorization.

82805486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 82805486 is about 9099.7519746419. The cubic root of 82805486 is about 435.8660440539.

The spelling of 82805486 in words is "eighty-two million, eight hundred five thousand, four hundred eighty-six".