83775331 has 2 divisors, whose sum is σ = 83775332. Its totient is φ = 83775330.

The previous prime is 83775323. The next prime is 83775343. The reversal of 83775331 is 13357738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83775331 - 2³ = 83775323 is a prime.

It is a super-2 number, since 2×83775331² = 14036612168319122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_4876705 and since 83775331 and 4876705 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (83775431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41887665 + 41887666.

It is an arithmetic number, because the mean of its divisors is an integer number (41887666).

Almost surely, 2^83775331 is an apocalyptic number.

83775331 is a deficient number, since it is larger than the sum of its proper divisors (1).

83775331 is an equidigital number, since it uses as much as digits as its factorization.

83775331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 83775331 is about 9152.8864846015. The cubic root of 83775331 is about 437.5611121162.

The spelling of 83775331 in words is "eighty-three million, seven hundred seventy-five thousand, three hundred thirty-one".