83748535291 has 2 divisors, whose sum is σ = 83748535292. Its totient is φ = 83748535290.

The previous prime is 83748535219. The next prime is 83748535309. The reversal of 83748535291 is 19253584738.

Together with previous prime (83748535219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83748535291 - 2⁷ = 83748535163 is a prime.

It is not a weakly prime, because it can be changed into another prime (83748535991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41874267645 + 41874267646.

It is an arithmetic number, because the mean of its divisors is an integer number (41874267646).

Almost surely, 2^83748535291 is an apocalyptic number.

83748535291 is a deficient number, since it is larger than the sum of its proper divisors (1).

83748535291 is an equidigital number, since it uses as much as digits as its factorization.

83748535291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 55.

The spelling of 83748535291 in words is "eighty-three billion, seven hundred forty-eight million, five hundred thirty-five thousand, two hundred ninety-one".