2538706808 has 64 divisors (see below), whose sum is σ = 5405322240. Its totient is φ = 1116588000.

The previous prime is 2538706787. The next prime is 2538706829. The reversal of 2538706808 is 8086078352.

It is an interprime number because it is at equal distance from previous prime (2538706787) and next prime (2538706829).

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 in 15 ways as a sum of consecutive naturals, for example, 326243 + ... + 333933.

It is an arithmetic number, because the mean of its divisors is an integer number (84458160).

Almost surely, 2^2538706808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2538706808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702661120).

2538706808 is an abundant number, since it is smaller than the sum of its proper divisors (2866615432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2538706808 is a wasteful number, since it uses less digits than its factorization.

2538706808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2538706808 is about 50385.5813502236. The cubic root of 2538706808 is about 1364.1773962824.

The spelling of 2538706808 in words is "two billion, five hundred thirty-eight million, seven hundred six thousand, eight hundred eight".