90538705382 has 16 divisors (see below), whose sum is σ = 137202757200. Its totient is φ = 44806600992.

The previous prime is 90538705363. The next prime is 90538705393. The reversal of 90538705382 is 28350783509.

It is a self number, because there is not a number n which added to its sum of digits gives 90538705382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452453 + ... + 621120.

It is an arithmetic number, because the mean of its divisors is an integer number (8575172325).

Almost surely, 2^90538705382 is an apocalyptic number.

90538705382 is a deficient number, since it is larger than the sum of its proper divisors (46664051818).

90538705382 is a wasteful number, since it uses less digits than its factorization.

90538705382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074007.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 90538705382 in words is "ninety billion, five hundred thirty-eight million, seven hundred five thousand, three hundred eighty-two".