83047969 has 2 divisors, whose sum is σ = 83047970. Its totient is φ = 83047968.

The previous prime is 83047961. The next prime is 83047997. The reversal of 83047969 is 96974038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 13542400 = 8337^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 83047969 - 2³ = 83047961 is a prime.

It is a super-2 number, since 2×83047969² = 13793930310049922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83047961) 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, 41523984 + 41523985.

It is an arithmetic number, because the mean of its divisors is an integer number (41523985).

Almost surely, 2^83047969 is an apocalyptic number.

It is an amenable number.

83047969 is a deficient number, since it is larger than the sum of its proper divisors (1).

83047969 is an equidigital number, since it uses as much as digits as its factorization.

83047969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 83047969 is about 9113.0658397709. The cubic root of 83047969 is about 436.2910847643.

The spelling of 83047969 in words is "eighty-three million, forty-seven thousand, nine hundred sixty-nine".