187074239852 has 24 divisors (see below), whose sum is σ = 333383240400. Its totient is φ = 91826214336.

The previous prime is 187074239809. The next prime is 187074239881. The reversal of 187074239852 is 258932470781.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367727 + ... + 713702.

It is an arithmetic number, because the mean of its divisors is an integer number (13890968350).

Almost surely, 2^187074239852 is an apocalyptic number.

It is an amenable number.

187074239852 is a deficient number, since it is larger than the sum of its proper divisors (146309000548).

187074239852 is a wasteful number, since it uses less digits than its factorization.

187074239852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082225 (or 1082223 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 187074239852 in words is "one hundred eighty-seven billion, seventy-four million, two hundred thirty-nine thousand, eight hundred fifty-two".