187982888941 has 4 divisors (see below), whose sum is σ = 188316784512. Its totient is φ = 187648993372.

The previous prime is 187982888939. The next prime is 187982888963. The reversal of 187982888941 is 149888289781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 187982888941 - 2¹ = 187982888939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187982888141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166946941 + ... + 166948066.

It is an arithmetic number, because the mean of its divisors is an integer number (47079196128).

Almost surely, 2^187982888941 is an apocalyptic number.

It is an amenable number.

187982888941 is a deficient number, since it is larger than the sum of its proper divisors (333895571).

187982888941 is an equidigital number, since it uses as much as digits as its factorization.

187982888941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333895570.

The product of its digits is 148635648, while the sum is 73.

The spelling of 187982888941 in words is "one hundred eighty-seven billion, nine hundred eighty-two million, eight hundred eighty-eight thousand, nine hundred forty-one".