90075083139217 has 16 divisors (see below), whose sum is σ = 98529407020800. Its totient is φ = 81665142618240.

The previous prime is 90075083139143. The next prime is 90075083139257. The reversal of 90075083139217 is 71293138057009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90075083139217 is a prime.

It is a super-2 number, since 2×90075083139217² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90075083139257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14860584 + ... + 20024662.

It is an arithmetic number, because the mean of its divisors is an integer number (6158087938800).

Almost surely, 2^{90075083139217} is an apocalyptic number.

It is an amenable number.

90075083139217 is a deficient number, since it is larger than the sum of its proper divisors (8454323881583).

90075083139217 is a wasteful number, since it uses less digits than its factorization.

90075083139217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168376.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 90075083139217 in words is "ninety trillion, seventy-five billion, eighty-three million, one hundred thirty-nine thousand, two hundred seventeen".