187971376883 has 2 divisors, whose sum is σ = 187971376884. Its totient is φ = 187971376882.

The previous prime is 187971376793. The next prime is 187971376921. The reversal of 187971376883 is 388673179781.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-187971376883 is a prime.

It is not a weakly prime, because it can be changed into another prime (187971373883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93985688441 + 93985688442.

It is an arithmetic number, because the mean of its divisors is an integer number (93985688442).

Almost surely, 2^187971376883 is an apocalyptic number.

187971376883 is a deficient number, since it is larger than the sum of its proper divisors (1).

187971376883 is an equidigital number, since it uses as much as digits as its factorization.

187971376883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85349376, while the sum is 68.

The spelling of 187971376883 in words is "one hundred eighty-seven billion, nine hundred seventy-one million, three hundred seventy-six thousand, eight hundred eighty-three".