82572142287 has 4 divisors (see below), whose sum is σ = 110096189720. Its totient is φ = 55048094856.

The previous prime is 82572142241. The next prime is 82572142291. The reversal of 82572142287 is 78224127528.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82572142287 - 2⁸ = 82572142031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82572142217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13762023712 + ... + 13762023717.

It is an arithmetic number, because the mean of its divisors is an integer number (27524047430).

Almost surely, 2^82572142287 is an apocalyptic number.

82572142287 is a deficient number, since it is larger than the sum of its proper divisors (27524047433).

82572142287 is a wasteful number, since it uses less digits than its factorization.

82572142287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27524047432.

The product of its digits is 1003520, while the sum is 48.

The spelling of 82572142287 in words is "eighty-two billion, five hundred seventy-two million, one hundred forty-two thousand, two hundred eighty-seven".