82273019810 has 16 divisors (see below), whose sum is σ = 152093907576. Its totient is φ = 32019769728.

The previous prime is 82273019797. The next prime is 82273019821. The reversal of 82273019810 is 1891037228.

It can be written as a sum of positive squares in 4 ways, for example, as 71525758249 + 10747261561 = 267443^2 + 103669^2 .

It is a super-2 number, since 2×82273019810² (a number of 23 digits) contains 22 as substring.

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, 111179387 + ... + 111180126.

Almost surely, 2^82273019810 is an apocalyptic number.

82273019810 is a deficient number, since it is larger than the sum of its proper divisors (69820887766).

82273019810 is a wasteful number, since it uses less digits than its factorization.

82273019810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222359557.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 82273019810 in words is "eighty-two billion, two hundred seventy-three million, nineteen thousand, eight hundred ten".