82388230831766 has 4 divisors (see below), whose sum is σ = 123582346247652. Its totient is φ = 41194115415882.

The previous prime is 82388230831759. The next prime is 82388230831831. The reversal of 82388230831766 is 66713803288328.

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

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, 20597057707940 + ... + 20597057707943.

It is an arithmetic number, because the mean of its divisors is an integer number (30895586561913).

Almost surely, 2^{82388230831766} is an apocalyptic number.

82388230831766 is a deficient number, since it is larger than the sum of its proper divisors (41194115415886).

82388230831766 is a wasteful number, since it uses less digits than its factorization.

82388230831766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41194115415885.

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 82388230831766 in words is "eighty-two trillion, three hundred eighty-eight billion, two hundred thirty million, eight hundred thirty-one thousand, seven hundred sixty-six".