404064201187 has 2 divisors, whose sum is σ = 404064201188. Its totient is φ = 404064201186.

The previous prime is 404064201173. The next prime is 404064201223. The reversal of 404064201187 is 781102460404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404064201187 - 2⁷ = 404064201059 is a prime.

It is not a weakly prime, because it can be changed into another prime (404064201487) 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 as a sum of consecutive naturals, namely, 202032100593 + 202032100594.

It is an arithmetic number, because the mean of its divisors is an integer number (202032100594).

Almost surely, 2^404064201187 is an apocalyptic number.

404064201187 is a deficient number, since it is larger than the sum of its proper divisors (1).

404064201187 is an equidigital number, since it uses as much as digits as its factorization.

404064201187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 404064201187 in words is "four hundred four billion, sixty-four million, two hundred one thousand, one hundred eighty-seven".