8025081805908 has 18 divisors (see below), whose sum is σ = 20285623453914. Its totient is φ = 2675027268624.

The previous prime is 8025081805907. The next prime is 8025081805919. The reversal of 8025081805908 is 8095081805208.

It is a happy number.

8025081805908 is a `hidden beast` number, since 8 + 0 + 2 + 508 + 1 + 80 + 59 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7378492130244 + 646589675664 = 2716338^2 + 804108^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8025081805907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111459469491 + ... + 111459469562.

It is an arithmetic number, because the mean of its divisors is an integer number (1126979080773).

Almost surely, 2^{8025081805908} is an apocalyptic number.

It is an amenable number.

8025081805908 is an abundant number, since it is smaller than the sum of its proper divisors (12260541648006).

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

8025081805908 is a wasteful number, since it uses less digits than its factorization.

8025081805908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222918939063 (or 222918939058 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 54.

The spelling of 8025081805908 in words is "eight trillion, twenty-five billion, eighty-one million, eight hundred five thousand, nine hundred eight".