2587978246 has 16 divisors (see below), whose sum is σ = 4556441376. Its totient is φ = 1079156736.

The previous prime is 2587978219. The next prime is 2587978271. The reversal of 2587978246 is 6428797852.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497531 + ... + 2498566.

It is an arithmetic number, because the mean of its divisors is an integer number (284777586).

Almost surely, 2^2587978246 is an apocalyptic number.

2587978246 is a deficient number, since it is larger than the sum of its proper divisors (1968463130).

2587978246 is a wasteful number, since it uses less digits than its factorization.

2587978246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996143.

The product of its digits is 13547520, while the sum is 58.

The square root of 2587978246 is about 50872.1755579610. The cubic root of 2587978246 is about 1372.9462666494.

The spelling of 2587978246 in words is "two billion, five hundred eighty-seven million, nine hundred seventy-eight thousand, two hundred forty-six".