82638093311 has 4 divisors (see below), whose sum is σ = 82776054000. Its totient is φ = 82500132624.

The previous prime is 82638093283. The next prime is 82638093319. The reversal of 82638093311 is 11339083628.

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 82638093311 - 2⁶ = 82638093247 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 (82638093319) 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, 68979446 + ... + 68980643.

It is an arithmetic number, because the mean of its divisors is an integer number (20694013500).

Almost surely, 2^82638093311 is an apocalyptic number.

82638093311 is a deficient number, since it is larger than the sum of its proper divisors (137960689).

82638093311 is a wasteful number, since it uses less digits than its factorization.

82638093311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137960688.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 82638093311 in words is "eighty-two billion, six hundred thirty-eight million, ninety-three thousand, three hundred eleven".