89850505049808 has 20 divisors (see below), whose sum is σ = 232113804712128. Its totient is φ = 29950168349920.

The previous prime is 89850505049783. The next prime is 89850505049857. The reversal of 89850505049808 is 80894050505898.

It is a super-2 number, since 2×89850505049808² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935942760888 + ... + 935942760983.

Almost surely, 2^{89850505049808} is an apocalyptic number.

It is an amenable number.

89850505049808 is an abundant number, since it is smaller than the sum of its proper divisors (142263299662320).

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

89850505049808 is a wasteful number, since it uses less digits than its factorization.

89850505049808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871885521882 (or 1871885521876 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 69.

The spelling of 89850505049808 in words is "eighty-nine trillion, eight hundred fifty billion, five hundred five million, forty-nine thousand, eight hundred eight".