90386246517 has 16 divisors (see below), whose sum is σ = 137749852800. Its totient is φ = 51642372672.

The previous prime is 90386246513. The next prime is 90386246591. The reversal of 90386246517 is 71564268309.

It is not a de Polignac number, because 90386246517 - 2² = 90386246513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90386246517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90386246513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125142 + ... + 443207.

It is an arithmetic number, because the mean of its divisors is an integer number (8609365800).

It is a 1-persistent number, because it is pandigital, but 2⋅90386246517 = 180772493034 is not.

Almost surely, 2^90386246517 is an apocalyptic number.

It is an amenable number.

90386246517 is a deficient number, since it is larger than the sum of its proper divisors (47363606283).

90386246517 is a wasteful number, since it uses less digits than its factorization.

90386246517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575932.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 90386246517 in words is "ninety billion, three hundred eighty-six million, two hundred forty-six thousand, five hundred seventeen".