2500899687 has 144 divisors (see below), whose sum is σ = 4565852928. Its totient is φ = 1304709120.

The previous prime is 2500899659. The next prime is 2500899689. The reversal of 2500899687 is 7869980052.

It is a happy number.

It is not a de Polignac number, because 2500899687 - 2¹⁰ = 2500898663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500899689) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 25782423 + ... + 25782519.

It is an arithmetic number, because the mean of its divisors is an integer number (31707312).

Almost surely, 2^2500899687 is an apocalyptic number.

2500899687 is a deficient number, since it is larger than the sum of its proper divisors (2064953241).

2500899687 is a wasteful number, since it uses less digits than its factorization.

2500899687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 2500899687 is about 50008.9960607089. The cubic root of 2500899687 is about 1357.3715971873.

The spelling of 2500899687 in words is "two billion, five hundred million, eight hundred ninety-nine thousand, six hundred eighty-seven".