83085187784203 has 4 divisors (see below), whose sum is σ = 90638386673688. Its totient is φ = 75531988894720.

The previous prime is 83085187784201. The next prime is 83085187784233. The reversal of 83085187784203 is 30248778158038.

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

It is a cyclic number.

It is not a de Polignac number, because 83085187784203 - 2¹ = 83085187784201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83085187784201) 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, 3776599444726 + ... + 3776599444747.

It is an arithmetic number, because the mean of its divisors is an integer number (22659596668422).

Almost surely, 2^{83085187784203} is an apocalyptic number.

83085187784203 is a deficient number, since it is larger than the sum of its proper divisors (7553198889485).

83085187784203 is a wasteful number, since it uses less digits than its factorization.

83085187784203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553198889484.

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 83085187784203 in words is "eighty-three trillion, eighty-five billion, one hundred eighty-seven million, seven hundred eighty-four thousand, two hundred three".