82142750773 has 4 divisors (see below), whose sum is σ = 82144653120. Its totient is φ = 82140848428.

The previous prime is 82142750717. The next prime is 82142750791. The reversal of 82142750773 is 37705724128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82142750773 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 (82142720773) 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, 884863 + ... + 973276.

It is an arithmetic number, because the mean of its divisors is an integer number (20536163280).

Almost surely, 2^82142750773 is an apocalyptic number.

It is an amenable number.

82142750773 is a deficient number, since it is larger than the sum of its proper divisors (1902347).

82142750773 is a wasteful number, since it uses less digits than its factorization.

82142750773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902346.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 82142750773 in words is "eighty-two billion, one hundred forty-two million, seven hundred fifty thousand, seven hundred seventy-three".