83429771 has 2 divisors, whose sum is σ = 83429772. Its totient is φ = 83429770.

The previous prime is 83429707. The next prime is 83429777. The reversal of 83429771 is 17792438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83429771 - 2⁶ = 83429707 is a prime.

It is a super-2 number, since 2×83429771² = 13921053378224882, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (83429777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41714885 + 41714886.

It is an arithmetic number, because the mean of its divisors is an integer number (41714886).

Almost surely, 2^83429771 is an apocalyptic number.

83429771 is a deficient number, since it is larger than the sum of its proper divisors (1).

83429771 is an equidigital number, since it uses as much as digits as its factorization.

83429771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 83429771 is about 9133.9898729964. The cubic root of 83429771 is about 436.9586595373.

The spelling of 83429771 in words is "eighty-three million, four hundred twenty-nine thousand, seven hundred seventy-one".