82862811771 has 8 divisors (see below), whose sum is σ = 110485554960. Its totient is φ = 55240971552.

The previous prime is 82862811763. The next prime is 82862811817. The reversal of 82862811771 is 17711826828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82862811771 - 2³ = 82862811763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82862811371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29665 + ... + 408173.

It is an arithmetic number, because the mean of its divisors is an integer number (13810694370).

Almost surely, 2^82862811771 is an apocalyptic number.

82862811771 is a deficient number, since it is larger than the sum of its proper divisors (27622743189).

82862811771 is a wasteful number, since it uses less digits than its factorization.

82862811771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451485.

The product of its digits is 602112, while the sum is 51.

The spelling of 82862811771 in words is "eighty-two billion, eight hundred sixty-two million, eight hundred eleven thousand, seven hundred seventy-one".