187734243082685 has 12 divisors (see below), whose sum is σ = 243943430657652. Its totient is φ = 138634517968128.

The previous prime is 187734243082627. The next prime is 187734243082691. The reversal of 187734243082685 is 586280342437781.

It can be written as a sum of positive squares in 6 ways, for example, as 17953499442649 + 169780743640036 = 4237157^2 + 13029994^2 .

It is not a de Polignac number, because 187734243082685 - 2⁶ = 187734243082621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111085350092 + ... + 111085351781.

It is an arithmetic number, because the mean of its divisors is an integer number (20328619221471).

Almost surely, 2^{187734243082685} is an apocalyptic number.

It is an amenable number.

187734243082685 is a deficient number, since it is larger than the sum of its proper divisors (56209187574967).

187734243082685 is a wasteful number, since it uses less digits than its factorization.

187734243082685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222170701904 (or 222170701891 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 68.

The spelling of 187734243082685 in words is "one hundred eighty-seven trillion, seven hundred thirty-four billion, two hundred forty-three million, eighty-two thousand, six hundred eighty-five".