90855875082 has 64 divisors (see below), whose sum is σ = 213770721024. Its totient is φ = 25206405120.

The previous prime is 90855875041. The next prime is 90855875107. The reversal of 90855875082 is 28057855809.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5532 + ... + 426312.

It is an arithmetic number, because the mean of its divisors is an integer number (3340167516).

Almost surely, 2^90855875082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90855875082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106885360512).

90855875082 is an abundant number, since it is smaller than the sum of its proper divisors (122914845942).

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

90855875082 is a wasteful number, since it uses less digits than its factorization.

90855875082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420943.

The product of its (nonzero) digits is 8064000, while the sum is 57.

The spelling of 90855875082 in words is "ninety billion, eight hundred fifty-five million, eight hundred seventy-five thousand, eighty-two".