82531128486 has 32 divisors (see below), whose sum is σ = 166826259936. Its totient is φ = 27216800000.

The previous prime is 82531128481. The next prime is 82531128509. The reversal of 82531128486 is 68482113528.

It is a super-2 number, since 2×82531128486² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82531128481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736066 + ... + 840746.

It is an arithmetic number, because the mean of its divisors is an integer number (5213320623).

Almost surely, 2^82531128486 is an apocalyptic number.

82531128486 is an abundant number, since it is smaller than the sum of its proper divisors (84295131450).

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

82531128486 is a wasteful number, since it uses less digits than its factorization.

82531128486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106088.

The product of its digits is 737280, while the sum is 48.

The spelling of 82531128486 in words is "eighty-two billion, five hundred thirty-one million, one hundred twenty-eight thousand, four hundred eighty-six".