83842961 has 2 divisors, whose sum is σ = 83842962. Its totient is φ = 83842960.

The previous prime is 83842943. The next prime is 83843009. The reversal of 83842961 is 16924838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 5856400 = 8831^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 83842961 - 2⁶ = 83842897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83842921) 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, 41921480 + 41921481.

It is an arithmetic number, because the mean of its divisors is an integer number (41921481).

Almost surely, 2^83842961 is an apocalyptic number.

It is an amenable number.

83842961 is a deficient number, since it is larger than the sum of its proper divisors (1).

83842961 is an equidigital number, since it uses as much as digits as its factorization.

83842961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 83842961 is about 9156.5802022371. The cubic root of 83842961 is about 437.6788249647.

The spelling of 83842961 in words is "eighty-three million, eight hundred forty-two thousand, nine hundred sixty-one".