3125636208 has 80 divisors (see below), whose sum is σ = 8979266560. Its totient is φ = 1041004224.

The previous prime is 3125636203. The next prime is 3125636209. The reversal of 3125636208 is 8026365213.

It is a happy number.

3125636208 is a `hidden beast` number, since 3 + 1 + 25 + 6 + 3 + 620 + 8 = 666.

3125636208 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125636203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700641 + ... + 705087.

It is an arithmetic number, because the mean of its divisors is an integer number (112240832).

Almost surely, 2^3125636208 is an apocalyptic number.

It is an amenable number.

3125636208 is an abundant number, since it is smaller than the sum of its proper divisors (5853630352).

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

3125636208 is a wasteful number, since it uses less digits than its factorization.

3125636208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091 (or 6079 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3125636208 is about 55907.3895652444. The cubic root of 3125636208 is about 1462.1080774930.

The spelling of 3125636208 in words is "three billion, one hundred twenty-five million, six hundred thirty-six thousand, two hundred eight".