83700847843 has 2 divisors, whose sum is σ = 83700847844. Its totient is φ = 83700847842.

The previous prime is 83700847817. The next prime is 83700847889. The reversal of 83700847843 is 34874800738.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83700847843 is a prime.

It is not a weakly prime, because it can be changed into another prime (83700847343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41850423921 + 41850423922.

It is an arithmetic number, because the mean of its divisors is an integer number (41850423922).

Almost surely, 2^83700847843 is an apocalyptic number.

83700847843 is a deficient number, since it is larger than the sum of its proper divisors (1).

83700847843 is an equidigital number, since it uses as much as digits as its factorization.

83700847843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 83700847843 in words is "eighty-three billion, seven hundred million, eight hundred forty-seven thousand, eight hundred forty-three".