83774983 has 2 divisors, whose sum is σ = 83774984. Its totient is φ = 83774982.

The previous prime is 83774981. The next prime is 83774987. The reversal of 83774983 is 38947738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83774983 - 2¹ = 83774981 is a prime.

Together with 83774981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83774981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41887491 + 41887492.

It is an arithmetic number, because the mean of its divisors is an integer number (41887492).

Almost surely, 2^83774983 is an apocalyptic number.

83774983 is a deficient number, since it is larger than the sum of its proper divisors (1).

83774983 is an equidigital number, since it uses as much as digits as its factorization.

83774983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 83774983 is about 9152.8674741853. The cubic root of 83774983 is about 437.5605062438.

The spelling of 83774983 in words is "eighty-three million, seven hundred seventy-four thousand, nine hundred eighty-three".