83775907 has 2 divisors, whose sum is σ = 83775908. Its totient is φ = 83775906.

The previous prime is 83775899. The next prime is 83775917. The reversal of 83775907 is 70957738.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83775907 - 2³ = 83775899 is a prime.

It is not a weakly prime, because it can be changed into another prime (83775917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41887953 + 41887954.

It is an arithmetic number, because the mean of its divisors is an integer number (41887954).

Almost surely, 2^83775907 is an apocalyptic number.

83775907 is a deficient number, since it is larger than the sum of its proper divisors (1).

83775907 is an equidigital number, since it uses as much as digits as its factorization.

83775907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 83775907 is about 9152.9179500310. The cubic root of 83775907 is about 437.5621149358.

The spelling of 83775907 in words is "eighty-three million, seven hundred seventy-five thousand, nine hundred seven".