83927429231 has 2 divisors, whose sum is σ = 83927429232. Its totient is φ = 83927429230.

The previous prime is 83927429219. The next prime is 83927429291. The reversal of 83927429231 is 13292472938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83927429231 - 2¹⁸ = 83927167087 is a prime.

It is a super-2 number, since 2×83927429231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83927429231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83927429291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41963714615 + 41963714616.

It is an arithmetic number, because the mean of its divisors is an integer number (41963714616).

Almost surely, 2^83927429231 is an apocalyptic number.

83927429231 is a deficient number, since it is larger than the sum of its proper divisors (1).

83927429231 is an equidigital number, since it uses as much as digits as its factorization.

83927429231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The spelling of 83927429231 in words is "eighty-three billion, nine hundred twenty-seven million, four hundred twenty-nine thousand, two hundred thirty-one".