90804824143 has 4 divisors (see below), whose sum is σ = 99059808168. Its totient is φ = 82549840120.

The previous prime is 90804824141. The next prime is 90804824269. The reversal of 90804824143 is 34142840809.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90804824143 - 2¹ = 90804824141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90804824143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90804824141) 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 3 ways as a sum of consecutive naturals, for example, 4127491996 + ... + 4127492017.

It is an arithmetic number, because the mean of its divisors is an integer number (24764952042).

Almost surely, 2^90804824143 is an apocalyptic number.

90804824143 is a deficient number, since it is larger than the sum of its proper divisors (8254984025).

90804824143 is a wasteful number, since it uses less digits than its factorization.

90804824143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254984024.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 90804824143 in words is "ninety billion, eight hundred four million, eight hundred twenty-four thousand, one hundred forty-three".