90685073903559 has 8 divisors (see below), whose sum is σ = 120916951948032. Its totient is φ = 60454955897400.

The previous prime is 90685073903539. The next prime is 90685073903569. The reversal of 90685073903559 is 95530937058609.

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

It is not a de Polignac number, because 90685073903559 - 2³⁵ = 90650714165191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90685073903493 and 90685073903502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90685073903539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439889349 + ... + 440095454.

It is an arithmetic number, because the mean of its divisors is an integer number (15114618993504).

Almost surely, 2^{90685073903559} is an apocalyptic number.

90685073903559 is a deficient number, since it is larger than the sum of its proper divisors (30231878044473).

90685073903559 is a wasteful number, since it uses less digits than its factorization.

90685073903559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880019157.

The product of its (nonzero) digits is 275562000, while the sum is 69.

The spelling of 90685073903559 in words is "ninety trillion, six hundred eighty-five billion, seventy-three million, nine hundred three thousand, five hundred fifty-nine".