83099729 has 2 divisors, whose sum is σ = 83099730. Its totient is φ = 83099728.

The previous prime is 83099663. The next prime is 83099767. The reversal of 83099729 is 92799038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81993025 + 1106704 = 9055^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 83099729 - 2¹² = 83095633 is a prime.

It is not a weakly prime, because it can be changed into another prime (83099129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41549864 + 41549865.

It is an arithmetic number, because the mean of its divisors is an integer number (41549865).

Almost surely, 2^83099729 is an apocalyptic number.

It is an amenable number.

83099729 is a deficient number, since it is larger than the sum of its proper divisors (1).

83099729 is an equidigital number, since it uses as much as digits as its factorization.

83099729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 83099729 is about 9115.9052759449. The cubic root of 83099729 is about 436.3817060318.

The spelling of 83099729 in words is "eighty-three million, ninety-nine thousand, seven hundred twenty-nine".