219987204343087 has 32 divisors (see below), whose sum is σ = 229236178913280. Its totient is φ = 210852645427200.

The previous prime is 219987204343057. The next prime is 219987204343183. The reversal of 219987204343087 is 780343402789912.

It is not a de Polignac number, because 219987204343087 - 2¹⁵ = 219987204310319 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 (219987204343057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12274007908 + ... + 12274025830.

It is an arithmetic number, because the mean of its divisors is an integer number (7163630591040).

Almost surely, 2^{219987204343087} is an apocalyptic number.

219987204343087 is a deficient number, since it is larger than the sum of its proper divisors (9248974570193).

219987204343087 is a wasteful number, since it uses less digits than its factorization.

219987204343087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21303.

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 219987204343087 in words is "two hundred nineteen trillion, nine hundred eighty-seven billion, two hundred four million, three hundred forty-three thousand, eighty-seven".