82731564662 has 4 divisors (see below), whose sum is σ = 124097346996. Its totient is φ = 41365782330.

The previous prime is 82731564607. The next prime is 82731564683. The reversal of 82731564662 is 26646513728.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82731564662.

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, 20682891164 + ... + 20682891167.

It is an arithmetic number, because the mean of its divisors is an integer number (31024336749).

Almost surely, 2^82731564662 is an apocalyptic number.

82731564662 is a deficient number, since it is larger than the sum of its proper divisors (41365782334).

82731564662 is a wasteful number, since it uses less digits than its factorization.

82731564662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41365782333.

The product of its digits is 2903040, while the sum is 50.

The spelling of 82731564662 in words is "eighty-two billion, seven hundred thirty-one million, five hundred sixty-four thousand, six hundred sixty-two".