2587361279 has 4 divisors (see below), whose sum is σ = 2631214920. Its totient is φ = 2543507640.

The previous prime is 2587361239. The next prime is 2587361321. The reversal of 2587361279 is 9721637852.

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 2587361279 - 2¹² = 2587357183 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 (2587361239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21926732 + ... + 21926849.

It is an arithmetic number, because the mean of its divisors is an integer number (657803730).

Almost surely, 2^2587361279 is an apocalyptic number.

2587361279 is a deficient number, since it is larger than the sum of its proper divisors (43853641).

2587361279 is an equidigital number, since it uses as much as digits as its factorization.

2587361279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43853640.

The product of its digits is 1270080, while the sum is 50.

The square root of 2587361279 is about 50866.1113021233. Note that the first 3 decimals coincide. The cubic root of 2587361279 is about 1372.8371557553.

The spelling of 2587361279 in words is "two billion, five hundred eighty-seven million, three hundred sixty-one thousand, two hundred seventy-nine".