85675747 has 2 divisors, whose sum is σ = 85675748. Its totient is φ = 85675746.

The previous prime is 85675717. The next prime is 85675753. The reversal of 85675747 is 74757658.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85675747 - 2⁷ = 85675619 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85675747.

It is not a weakly prime, because it can be changed into another prime (85675717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42837873 + 42837874.

It is an arithmetic number, because the mean of its divisors is an integer number (42837874).

Almost surely, 2^85675747 is an apocalyptic number.

85675747 is a deficient number, since it is larger than the sum of its proper divisors (1).

85675747 is an equidigital number, since it uses as much as digits as its factorization.

85675747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 49.

The square root of 85675747 is about 9256.1194352709. The cubic root of 85675747 is about 440.8450478252.

The spelling of 85675747 in words is "eighty-five million, six hundred seventy-five thousand, seven hundred forty-seven".