90025567563808 has 48 divisors (see below), whose sum is σ = 177790597258176. Its totient is φ = 44872618533120.

The previous prime is 90025567563781. The next prime is 90025567563809. The reversal of 90025567563808 is 80836576552009.

It is a self number, because there is not a number n which added to its sum of digits gives 90025567563808.

It is not an unprimeable number, because it can be changed into a prime (90025567563809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9771535 + ... + 16599217.

It is an arithmetic number, because the mean of its divisors is an integer number (3703970776212).

Almost surely, 2^{90025567563808} is an apocalyptic number.

It is an amenable number.

90025567563808 is a deficient number, since it is larger than the sum of its proper divisors (87765029694368).

90025567563808 is a wasteful number, since it uses less digits than its factorization.

90025567563808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828977 (or 6828969 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 90025567563808 in words is "ninety trillion, twenty-five billion, five hundred sixty-seven million, five hundred sixty-three thousand, eight hundred eight".