83091829 has 2 divisors, whose sum is σ = 83091830. Its totient is φ = 83091828.

The previous prime is 83091823. The next prime is 83091839. The reversal of 83091829 is 92819038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65577604 + 17514225 = 8098^2 + 4185^2 .

It is a cyclic number.

It is not a de Polignac number, because 83091829 - 2⁹ = 83091317 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83091791 and 83091800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83091823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41545914 + 41545915.

It is an arithmetic number, because the mean of its divisors is an integer number (41545915).

Almost surely, 2^83091829 is an apocalyptic number.

It is an amenable number.

83091829 is a deficient number, since it is larger than the sum of its proper divisors (1).

83091829 is an equidigital number, since it uses as much as digits as its factorization.

83091829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 83091829 is about 9115.4719570629. The cubic root of 83091829 is about 436.3678771671.

The spelling of 83091829 in words is "eighty-three million, ninety-one thousand, eight hundred twenty-nine".