90275427169 has 8 divisors (see below), whose sum is σ = 90474848640. Its totient is φ = 90076064256.

The previous prime is 90275427163. The next prime is 90275427173. The reversal of 90275427169 is 96172457209.

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 90275427169 - 2¹⁹ = 90274902881 is a prime.

It is a super-2 number, since 2×90275427169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90275427163) 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, 4723617 + ... + 4742689.

It is an arithmetic number, because the mean of its divisors is an integer number (11309356080).

Almost surely, 2^90275427169 is an apocalyptic number.

It is an amenable number.

90275427169 is a deficient number, since it is larger than the sum of its proper divisors (199421471).

90275427169 is a wasteful number, since it uses less digits than its factorization.

90275427169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29279.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 90275427169 in words is "ninety billion, two hundred seventy-five million, four hundred twenty-seven thousand, one hundred sixty-nine".