83927429291 has 2 divisors, whose sum is σ = 83927429292. Its totient is φ = 83927429290.

The previous prime is 83927429231. The next prime is 83927429357. The reversal of 83927429291 is 19292472938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83927429291 - 2¹⁸ = 83927167147 is a prime.

It is not a weakly prime, because it can be changed into another prime (83927429231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41963714645 + 41963714646.

It is an arithmetic number, because the mean of its divisors is an integer number (41963714646).

Almost surely, 2^83927429291 is an apocalyptic number.

83927429291 is a deficient number, since it is larger than the sum of its proper divisors (1).

83927429291 is an equidigital number, since it uses as much as digits as its factorization.

83927429291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The spelling of 83927429291 in words is "eighty-three billion, nine hundred twenty-seven million, four hundred twenty-nine thousand, two hundred ninety-one".