214904402887 has 4 divisors (see below), whose sum is σ = 215326612440. Its totient is φ = 214482193336.

The previous prime is 214904402851. The next prime is 214904402927. The reversal of 214904402887 is 788204409412.

214904402887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 214904402887 - 2¹⁵ = 214904370119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214904402887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214904402807) 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 in 3 ways as a sum of consecutive naturals, for example, 211104013 + ... + 211105030.

It is an arithmetic number, because the mean of its divisors is an integer number (53831653110).

Almost surely, 2^214904402887 is an apocalyptic number.

214904402887 is a deficient number, since it is larger than the sum of its proper divisors (422209553).

214904402887 is an equidigital number, since it uses as much as digits as its factorization.

214904402887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422209552.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 214904402887 in words is "two hundred fourteen billion, nine hundred four million, four hundred two thousand, eight hundred eighty-seven".