90044876843 has 4 divisors (see below), whose sum is σ = 90080854128. Its totient is φ = 90008899560.

The previous prime is 90044876819. The next prime is 90044876849. The reversal of 90044876843 is 34867844009.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90044876843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90044876849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17984888 + ... + 17989893.

It is an arithmetic number, because the mean of its divisors is an integer number (22520213532).

Almost surely, 2^90044876843 is an apocalyptic number.

90044876843 is a deficient number, since it is larger than the sum of its proper divisors (35977285).

90044876843 is a wasteful number, since it uses less digits than its factorization.

90044876843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35977284.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 90044876843 in words is "ninety billion, forty-four million, eight hundred seventy-six thousand, eight hundred forty-three".