427034500187 has 4 divisors (see below), whose sum is σ = 427628429280. Its totient is φ = 426440571096.

The previous prime is 427034500169. The next prime is 427034500199. The reversal of 427034500187 is 781005430724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427034500187 - 2²⁸ = 426766064731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427034500147) 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 3 ways as a sum of consecutive naturals, for example, 296963468 + ... + 296964905.

It is an arithmetic number, because the mean of its divisors is an integer number (106907107320).

Almost surely, 2^427034500187 is an apocalyptic number.

427034500187 is a deficient number, since it is larger than the sum of its proper divisors (593929093).

427034500187 is an equidigital number, since it uses as much as digits as its factorization.

427034500187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593929092.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 427034500187 in words is "four hundred twenty-seven billion, thirty-four million, five hundred thousand, one hundred eighty-seven".