2587750868 has 24 divisors (see below), whose sum is σ = 4591612032. Its totient is φ = 1275957504.

The previous prime is 2587750853. The next prime is 2587750877. The reversal of 2587750868 is 8680577852.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 98021 + ... + 121587.

It is an arithmetic number, because the mean of its divisors is an integer number (191317168).

Almost surely, 2^2587750868 is an apocalyptic number.

It is an amenable number.

2587750868 is a deficient number, since it is larger than the sum of its proper divisors (2003861164).

2587750868 is a wasteful number, since it uses less digits than its factorization.

2587750868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23951 (or 23949 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 56.

The square root of 2587750868 is about 50869.9407115833. The cubic root of 2587750868 is about 1372.9060567649.

The spelling of 2587750868 in words is "two billion, five hundred eighty-seven million, seven hundred fifty thousand, eight hundred sixty-eight".