2587889342 has 4 divisors (see below), whose sum is σ = 3881834016. Its totient is φ = 1293944670.

The previous prime is 2587889341. The next prime is 2587889377. The reversal of 2587889342 is 2439887852.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587889341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646972334 + ... + 646972337.

It is an arithmetic number, because the mean of its divisors is an integer number (970458504).

Almost surely, 2^2587889342 is an apocalyptic number.

2587889342 is a deficient number, since it is larger than the sum of its proper divisors (1293944674).

2587889342 is a wasteful number, since it uses less digits than its factorization.

2587889342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293944673.

The product of its digits is 7741440, while the sum is 56.

The square root of 2587889342 is about 50871.3017525599. The cubic root of 2587889342 is about 1372.9305450061.

The spelling of 2587889342 in words is "two billion, five hundred eighty-seven million, eight hundred eighty-nine thousand, three hundred forty-two".