85126757 has 2 divisors, whose sum is σ = 85126758. Its totient is φ = 85126756.

The previous prime is 85126733. The next prime is 85126759. The reversal of 85126757 is 75762158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58232161 + 26894596 = 7631^2 + 5186^2 .

It is a cyclic number.

It is not a de Polignac number, because 85126757 - 2¹⁸ = 84864613 is a prime.

Together with 85126759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85126759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42563378 + 42563379.

It is an arithmetic number, because the mean of its divisors is an integer number (42563379).

Almost surely, 2^85126757 is an apocalyptic number.

It is an amenable number.

85126757 is a deficient number, since it is larger than the sum of its proper divisors (1).

85126757 is an equidigital number, since it uses as much as digits as its factorization.

85126757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 41.

The square root of 85126757 is about 9226.4162598487. The cubic root of 85126757 is about 439.9014190305.

The spelling of 85126757 in words is "eighty-five million, one hundred twenty-six thousand, seven hundred fifty-seven".