187923379388 has 12 divisors (see below), whose sum is σ = 328927617480. Its totient is φ = 93944060112.

The previous prime is 187923379381. The next prime is 187923379417. The reversal of 187923379388 is 883973329781.

187923379388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187923379381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4383398 + ... + 4426061.

It is an arithmetic number, because the mean of its divisors is an integer number (27410634790).

Almost surely, 2^187923379388 is an apocalyptic number.

It is an amenable number.

187923379388 is a deficient number, since it is larger than the sum of its proper divisors (141004238092).

187923379388 is a wasteful number, since it uses less digits than its factorization.

187923379388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814796 (or 8814794 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 68.

The spelling of 187923379388 in words is "one hundred eighty-seven billion, nine hundred twenty-three million, three hundred seventy-nine thousand, three hundred eighty-eight".