85733761 has 2 divisors, whose sum is σ = 85733762. Its totient is φ = 85733760.

The previous prime is 85733759. The next prime is 85733779. The reversal of 85733761 is 16733758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 12117361 = 8580^2 + 3481^2 .

It is a cyclic number.

It is not a de Polignac number, because 85733761 - 2¹ = 85733759 is a prime.

Together with 85733759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85733161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42866880 + 42866881.

It is an arithmetic number, because the mean of its divisors is an integer number (42866881).

Almost surely, 2^85733761 is an apocalyptic number.

It is an amenable number.

85733761 is a deficient number, since it is larger than the sum of its proper divisors (1).

85733761 is an equidigital number, since it uses as much as digits as its factorization.

85733761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 85733761 is about 9259.2527236273. The cubic root of 85733761 is about 440.9445291644.

The spelling of 85733761 in words is "eighty-five million, seven hundred thirty-three thousand, seven hundred sixty-one".