187401086751380 has 24 divisors (see below), whose sum is σ = 393542842750848. Its totient is φ = 74960327924768.

The previous prime is 187401086751331. The next prime is 187401086751383. The reversal of 187401086751380 is 83157680104781.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187401086751383) by changing a digit.

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, 8567177 + ... + 21170703.

It is an arithmetic number, because the mean of its divisors is an integer number (16397618447952).

Almost surely, 2^{187401086751380} is an apocalyptic number.

187401086751380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187401086751380 is an abundant number, since it is smaller than the sum of its proper divisors (206141755999468).

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

187401086751380 is a wasteful number, since it uses less digits than its factorization.

187401086751380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346983 (or 13346981 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 59.

The spelling of 187401086751380 in words is "one hundred eighty-seven trillion, four hundred one billion, eighty-six million, seven hundred fifty-one thousand, three hundred eighty".