8625905806 has 24 divisors (see below), whose sum is σ = 15536857536. Its totient is φ = 3577563360.

The previous prime is 8625905803. The next prime is 8625905807. The reversal of 8625905806 is 6085095268.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 8625905806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8625905803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416631 + ... + 1422706.

It is an arithmetic number, because the mean of its divisors is an integer number (647369064).

Almost surely, 2^8625905806 is an apocalyptic number.

8625905806 is a deficient number, since it is larger than the sum of its proper divisors (6910951730).

8625905806 is a wasteful number, since it uses less digits than its factorization.

8625905806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839384 (or 2839377 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 8625905806 is about 92875.7546725732. The cubic root of 8625905806 is about 2050.8547540875.

The spelling of 8625905806 in words is "eight billion, six hundred twenty-five million, nine hundred five thousand, eight hundred six".