4282121871887 has 4 divisors (see below), whose sum is σ = 4295890752816. Its totient is φ = 4268352990960.

The previous prime is 4282121871877. The next prime is 4282121871893. The reversal of 4282121871887 is 7881781212824.

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 4282121871887 - 2²⁰ = 4282120823311 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 (4282121871877) 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, 6884439998 + ... + 6884440619.

It is an arithmetic number, because the mean of its divisors is an integer number (1073972688204).

Almost surely, 2^{4282121871887} is an apocalyptic number.

4282121871887 is a deficient number, since it is larger than the sum of its proper divisors (13768880929).

4282121871887 is a wasteful number, since it uses less digits than its factorization.

4282121871887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13768880928.

The product of its digits is 6422528, while the sum is 59.

The spelling of 4282121871887 in words is "four trillion, two hundred eighty-two billion, one hundred twenty-one million, eight hundred seventy-one thousand, eight hundred eighty-seven".