187050223890 has 128 divisors (see below), whose sum is σ = 537278054400. Its totient is φ = 46172237760.

The previous prime is 187050223889. The next prime is 187050223897. The reversal of 187050223890 is 98322050781.

It is a happy number.

187050223890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (187050223897) 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 63 ways as a sum of consecutive naturals, for example, 293310 + ... + 678329.

It is an arithmetic number, because the mean of its divisors is an integer number (4197484800).

Almost surely, 2^187050223890 is an apocalyptic number.

187050223890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

187050223890 is an abundant number, since it is smaller than the sum of its proper divisors (350227830510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

187050223890 is a wasteful number, since it uses less digits than its factorization.

187050223890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971709 (or 971703 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 187050223890 in words is "one hundred eighty-seven billion, fifty million, two hundred twenty-three thousand, eight hundred ninety".