85601077 has 2 divisors, whose sum is σ = 85601078. Its totient is φ = 85601076.

The previous prime is 85601059. The next prime is 85601093. The reversal of 85601077 is 77010658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48525156 + 37075921 = 6966^2 + 6089^2 .

It is a cyclic number.

It is not a de Polignac number, because 85601077 - 2²³ = 77212469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85601977) 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, 42800538 + 42800539.

It is an arithmetic number, because the mean of its divisors is an integer number (42800539).

Almost surely, 2^85601077 is an apocalyptic number.

It is an amenable number.

85601077 is a deficient number, since it is larger than the sum of its proper divisors (1).

85601077 is an equidigital number, since it uses as much as digits as its factorization.

85601077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 85601077 is about 9252.0850082562. The cubic root of 85601077 is about 440.7169389627.

The spelling of 85601077 in words is "eighty-five million, six hundred one thousand, seventy-seven".