82142864294 has 4 divisors (see below), whose sum is σ = 123214296444. Its totient is φ = 41071432146.

The previous prime is 82142864227. The next prime is 82142864317. The reversal of 82142864294 is 49246824128.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20535716072 + ... + 20535716075.

It is an arithmetic number, because the mean of its divisors is an integer number (30803574111).

Almost surely, 2^82142864294 is an apocalyptic number.

82142864294 is a deficient number, since it is larger than the sum of its proper divisors (41071432150).

82142864294 is a wasteful number, since it uses less digits than its factorization.

82142864294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071432149.

The product of its digits is 1769472, while the sum is 50.

The spelling of 82142864294 in words is "eighty-two billion, one hundred forty-two million, eight hundred sixty-four thousand, two hundred ninety-four".