2506865008 has 10 divisors (see below), whose sum is σ = 4857050984. Its totient is φ = 1253432496.

The previous prime is 2506864979. The next prime is 2506865017. The reversal of 2506865008 is 8005686052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78339516 + ... + 78339547.

Almost surely, 2^2506865008 is an apocalyptic number.

It is an amenable number.

2506865008 is a deficient number, since it is larger than the sum of its proper divisors (2350185976).

2506865008 is a wasteful number, since it uses less digits than its factorization.

2506865008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156679071 (or 156679065 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 2506865008 is about 50068.6030162616. The cubic root of 2506865008 is about 1358.4499728194.

The spelling of 2506865008 in words is "two billion, five hundred six million, eight hundred sixty-five thousand, eight".