82188739232 has 24 divisors (see below), whose sum is σ = 161820892800. Its totient is φ = 41091369664.

The previous prime is 82188739231. The next prime is 82188739301. The reversal of 82188739232 is 23293788128.

It is not an unprimeable number, because it can be changed into a prime (82188739231) 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, 389819 + ... + 562437.

It is an arithmetic number, because the mean of its divisors is an integer number (6742537200).

Almost surely, 2^82188739232 is an apocalyptic number.

It is an amenable number.

82188739232 is a deficient number, since it is larger than the sum of its proper divisors (79632153568).

82188739232 is a wasteful number, since it uses less digits than its factorization.

82188739232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187508 (or 187500 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The spelling of 82188739232 in words is "eighty-two billion, one hundred eighty-eight million, seven hundred thirty-nine thousand, two hundred thirty-two".