90093863247 has 16 divisors (see below), whose sum is σ = 125534300928. Its totient is φ = 57365763840.

The previous prime is 90093863227. The next prime is 90093863297. The reversal of 90093863247 is 74236839009.

It is not a de Polignac number, because 90093863247 - 2¹⁰ = 90093862223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90093863247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90093863207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 923629 + ... + 1016502.

It is an arithmetic number, because the mean of its divisors is an integer number (7845893808).

Almost surely, 2^90093863247 is an apocalyptic number.

90093863247 is a deficient number, since it is larger than the sum of its proper divisors (35440437681).

90093863247 is a wasteful number, since it uses less digits than its factorization.

90093863247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940830.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 90093863247 in words is "ninety billion, ninety-three million, eight hundred sixty-three thousand, two hundred forty-seven".