82274310881 has 48 divisors (see below), whose sum is σ = 99610777728. Its totient is φ = 67706553600.

The previous prime is 82274310857. The next prime is 82274310889. The reversal of 82274310881 is 18801347228.

It is a de Polignac number, because none of the positive numbers 2^k-82274310881 is a prime.

It is a super-2 number, since 2×82274310881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82274310889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68963621 + ... + 68964813.

It is an arithmetic number, because the mean of its divisors is an integer number (2075224536).

Almost surely, 2^82274310881 is an apocalyptic number.

It is an amenable number.

82274310881 is a deficient number, since it is larger than the sum of its proper divisors (17336466847).

82274310881 is a wasteful number, since it uses less digits than its factorization.

82274310881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 82274310881 in words is "eighty-two billion, two hundred seventy-four million, three hundred ten thousand, eight hundred eighty-one".