90893705059 has 4 divisors (see below), whose sum is σ = 92173898160. Its totient is φ = 89613511960.

The previous prime is 90893705041. The next prime is 90893705153. The reversal of 90893705059 is 95050739809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95050739809 = 308303².

It is a cyclic number.

It is not a de Polignac number, because 90893705059 - 2³⁵ = 56533966691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90893705029) 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 3 ways as a sum of consecutive naturals, for example, 640096444 + ... + 640096585.

It is an arithmetic number, because the mean of its divisors is an integer number (23043474540).

Almost surely, 2^90893705059 is an apocalyptic number.

90893705059 is a deficient number, since it is larger than the sum of its proper divisors (1280193101).

90893705059 is a wasteful number, since it uses less digits than its factorization.

90893705059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280193100.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 90893705059 in words is "ninety billion, eight hundred ninety-three million, seven hundred five thousand, fifty-nine".