83027729 has 2 divisors, whose sum is σ = 83027730. Its totient is φ = 83027728.

The previous prime is 83027719. The next prime is 83027753. The reversal of 83027729 is 92772038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73136704 + 9891025 = 8552^2 + 3145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83027729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83027692 and 83027701.

It is not a weakly prime, because it can be changed into another prime (83027719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41513864 + 41513865.

It is an arithmetic number, because the mean of its divisors is an integer number (41513865).

Almost surely, 2^83027729 is an apocalyptic number.

It is an amenable number.

83027729 is a deficient number, since it is larger than the sum of its proper divisors (1).

83027729 is an equidigital number, since it uses as much as digits as its factorization.

83027729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 83027729 is about 9111.9552786435. The cubic root of 83027729 is about 436.2556383866.

The spelling of 83027729 in words is "eighty-three million, twenty-seven thousand, seven hundred twenty-nine".