85392757 has 2 divisors, whose sum is σ = 85392758. Its totient is φ = 85392756.

The previous prime is 85392701. The next prime is 85392761. The reversal of 85392757 is 75729358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83429956 + 1962801 = 9134^2 + 1401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85392757 is a prime.

It is a super-2 number, since 2×85392757² = 14583845896122098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85392787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42696378 + 42696379.

It is an arithmetic number, because the mean of its divisors is an integer number (42696379).

Almost surely, 2^85392757 is an apocalyptic number.

It is an amenable number.

85392757 is a deficient number, since it is larger than the sum of its proper divisors (1).

85392757 is an equidigital number, since it uses as much as digits as its factorization.

85392757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The square root of 85392757 is about 9240.8201475843. The cubic root of 85392757 is about 440.3591368819.

The spelling of 85392757 in words is "eighty-five million, three hundred ninety-two thousand, seven hundred fifty-seven".