82742259211 has 4 divisors (see below), whose sum is σ = 82793942424. Its totient is φ = 82690576000.

The previous prime is 82742259191. The next prime is 82742259239. The reversal of 82742259211 is 11295224728.

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

It is a cyclic number.

It is not a de Polignac number, because 82742259211 - 2¹³ = 82742251019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82742259911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25839205 + ... + 25842406.

It is an arithmetic number, because the mean of its divisors is an integer number (20698485606).

Almost surely, 2^82742259211 is an apocalyptic number.

82742259211 is a deficient number, since it is larger than the sum of its proper divisors (51683213).

82742259211 is a wasteful number, since it uses less digits than its factorization.

82742259211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51683212.

The product of its digits is 161280, while the sum is 43.

The spelling of 82742259211 in words is "eighty-two billion, seven hundred forty-two million, two hundred fifty-nine thousand, two hundred eleven".