82972130445 has 24 divisors (see below), whose sum is σ = 144621828000. Its totient is φ = 44004581856.

The previous prime is 82972130443. The next prime is 82972130473. The reversal of 82972130445 is 54403127928.

82972130445 is a `hidden beast` number, since 8 + 2 + 9 + 72 + 130 + 445 = 666.

It is not a de Polignac number, because 82972130445 - 2¹ = 82972130443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82972130445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82972130443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5142295 + ... + 5158404.

It is an arithmetic number, because the mean of its divisors is an integer number (6025909500).

Almost surely, 2^82972130445 is an apocalyptic number.

It is an amenable number.

82972130445 is a deficient number, since it is larger than the sum of its proper divisors (61649697555).

82972130445 is a wasteful number, since it uses less digits than its factorization.

82972130445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300889 (or 10300886 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 82972130445 in words is "eighty-two billion, nine hundred seventy-two million, one hundred thirty thousand, four hundred forty-five".