83306947 has 2 divisors, whose sum is σ = 83306948. Its totient is φ = 83306946.

The previous prime is 83306911. The next prime is 83306959. The reversal of 83306947 is 74960338.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83306947 - 2¹⁵ = 83274179 is a prime.

It is not a weakly prime, because it can be changed into another prime (83306747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41653473 + 41653474.

It is an arithmetic number, because the mean of its divisors is an integer number (41653474).

Almost surely, 2^83306947 is an apocalyptic number.

83306947 is a deficient number, since it is larger than the sum of its proper divisors (1).

83306947 is an equidigital number, since it uses as much as digits as its factorization.

83306947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 83306947 is about 9127.2639383333. The cubic root of 83306947 is about 436.7441263309.

The spelling of 83306947 in words is "eighty-three million, three hundred six thousand, nine hundred forty-seven".