83442761 has 2 divisors, whose sum is σ = 83442762. Its totient is φ = 83442760.

The previous prime is 83442757. The next prime is 83442763. The reversal of 83442761 is 16724438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83375161 + 67600 = 9131^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 83442761 - 2² = 83442757 is a prime.

Together with 83442763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83442763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41721380 + 41721381.

It is an arithmetic number, because the mean of its divisors is an integer number (41721381).

Almost surely, 2^83442761 is an apocalyptic number.

It is an amenable number.

83442761 is a deficient number, since it is larger than the sum of its proper divisors (1).

83442761 is an equidigital number, since it uses as much as digits as its factorization.

83442761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 83442761 is about 9134.7009255914. The cubic root of 83442761 is about 436.9813364880.

The spelling of 83442761 in words is "eighty-three million, four hundred forty-two thousand, seven hundred sixty-one".