90271575563 has 8 divisors (see below), whose sum is σ = 97217877456. Its totient is φ = 83325607200.

The previous prime is 90271575551. The next prime is 90271575571. The reversal of 90271575563 is 36557517209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90271575563 - 2²⁸ = 90003140107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90271575533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1005008 + ... + 1091138.

It is an arithmetic number, because the mean of its divisors is an integer number (12152234682).

Almost surely, 2^90271575563 is an apocalyptic number.

90271575563 is a deficient number, since it is larger than the sum of its proper divisors (6946301893).

90271575563 is a wasteful number, since it uses less digits than its factorization.

90271575563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166765.

The product of its (nonzero) digits is 1984500, while the sum is 50.

The spelling of 90271575563 in words is "ninety billion, two hundred seventy-one million, five hundred seventy-five thousand, five hundred sixty-three".