83828761 has 2 divisors, whose sum is σ = 83828762. Its totient is φ = 83828760.

The previous prime is 83828699. The next prime is 83828783. The reversal of 83828761 is 16782838.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 7371225 = 8744^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 83828761 - 2⁹ = 83828249 is a prime.

It is a super-2 number, since 2×83828761² = 14054522341590242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83828161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41914380 + 41914381.

It is an arithmetic number, because the mean of its divisors is an integer number (41914381).

Almost surely, 2^83828761 is an apocalyptic number.

It is an amenable number.

83828761 is a deficient number, since it is larger than the sum of its proper divisors (1).

83828761 is an equidigital number, since it uses as much as digits as its factorization.

83828761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 83828761 is about 9155.8047707452. The cubic root of 83828761 is about 437.6541145213.

The spelling of 83828761 in words is "eighty-three million, eight hundred twenty-eight thousand, seven hundred sixty-one".