2579495087 has 4 divisors (see below), whose sum is σ = 2777917800. Its totient is φ = 2381072376.

The previous prime is 2579495063. The next prime is 2579495131. The reversal of 2579495087 is 7805949752.

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 2579495087 - 2¹⁰ = 2579494063 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 (2579495687) 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, 99211337 + ... + 99211362.

It is an arithmetic number, because the mean of its divisors is an integer number (694479450).

Almost surely, 2^2579495087 is an apocalyptic number.

2579495087 is a deficient number, since it is larger than the sum of its proper divisors (198422713).

2579495087 is a wasteful number, since it uses less digits than its factorization.

2579495087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198422712.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The square root of 2579495087 is about 50788.7299211154. The cubic root of 2579495087 is about 1371.4444932639. Note that the first 4 decimals are identical.

The spelling of 2579495087 in words is "two billion, five hundred seventy-nine million, four hundred ninety-five thousand, eighty-seven".