90285597895 has 8 divisors (see below), whose sum is σ = 108344584656. Its totient is φ = 72227233536.

The previous prime is 90285597877. The next prime is 90285597907. The reversal of 90285597895 is 59879558209.

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 90285597895 - 2⁵ = 90285597863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90285597895.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 268744 + ... + 502786.

It is an arithmetic number, because the mean of its divisors is an integer number (13543073082).

Almost surely, 2^90285597895 is an apocalyptic number.

90285597895 is a deficient number, since it is larger than the sum of its proper divisors (18058986761).

90285597895 is a wasteful number, since it uses less digits than its factorization.

90285597895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311201.

The product of its (nonzero) digits is 81648000, while the sum is 67.

The spelling of 90285597895 in words is "ninety billion, two hundred eighty-five million, five hundred ninety-seven thousand, eight hundred ninety-five".