90065271873 has 16 divisors (see below), whose sum is σ = 133843129920. Its totient is φ = 53537250816.

The previous prime is 90065271871. The next prime is 90065271917. The reversal of 90065271873 is 37817256009.

It is not a de Polignac number, because 90065271873 - 2¹ = 90065271871 is a prime.

It is a super-2 number, since 2×90065271873² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90065271871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46472340 + ... + 46474277.

It is an arithmetic number, because the mean of its divisors is an integer number (8365195620).

Almost surely, 2^90065271873 is an apocalyptic number.

It is an amenable number.

90065271873 is a deficient number, since it is larger than the sum of its proper divisors (43777858047).

90065271873 is a wasteful number, since it uses less digits than its factorization.

90065271873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92946656.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 90065271873 in words is "ninety billion, sixty-five million, two hundred seventy-one thousand, eight hundred seventy-three".