85253687 has 2 divisors, whose sum is σ = 85253688. Its totient is φ = 85253686.

The previous prime is 85253683. The next prime is 85253713. The reversal of 85253687 is 78635258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85253687 - 2² = 85253683 is a prime.

It is a super-2 number, since 2×85253687² = 14536382294187938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85253683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42626843 + 42626844.

It is an arithmetic number, because the mean of its divisors is an integer number (42626844).

Almost surely, 2^85253687 is an apocalyptic number.

85253687 is a deficient number, since it is larger than the sum of its proper divisors (1).

85253687 is an equidigital number, since it uses as much as digits as its factorization.

85253687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 85253687 is about 9233.2923163951. The cubic root of 85253687 is about 440.1199518002.

The spelling of 85253687 in words is "eighty-five million, two hundred fifty-three thousand, six hundred eighty-seven".