90701908243 has 8 divisors (see below), whose sum is σ = 91667216480. Its totient is φ = 89737217280.

The previous prime is 90701908223. The next prime is 90701908247. The reversal of 90701908243 is 34280910709.

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

It is a cyclic number.

It is not a de Polignac number, because 90701908243 - 2²⁹ = 90165037331 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 90701908243.

It is not an unprimeable number, because it can be changed into a prime (90701908247) 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, 144178 + ... + 449656.

It is an arithmetic number, because the mean of its divisors is an integer number (11458402060).

Almost surely, 2^90701908243 is an apocalyptic number.

90701908243 is a deficient number, since it is larger than the sum of its proper divisors (965308237).

90701908243 is a wasteful number, since it uses less digits than its factorization.

90701908243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308637.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 90701908243 in words is "ninety billion, seven hundred one million, nine hundred eight thousand, two hundred forty-three".