85654747 has 2 divisors, whose sum is σ = 85654748. Its totient is φ = 85654746.

The previous prime is 85654739. The next prime is 85654763. The reversal of 85654747 is 74745658.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85654747 - 2³ = 85654739 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 85654697 and 85654706.

It is not a weakly prime, because it can be changed into another prime (85654447) 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, 42827373 + 42827374.

It is an arithmetic number, because the mean of its divisors is an integer number (42827374).

Almost surely, 2^85654747 is an apocalyptic number.

85654747 is a deficient number, since it is larger than the sum of its proper divisors (1).

85654747 is an equidigital number, since it uses as much as digits as its factorization.

85654747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 46.

The square root of 85654747 is about 9254.9849810791. The cubic root of 85654747 is about 440.8090263418.

The spelling of 85654747 in words is "eighty-five million, six hundred fifty-four thousand, seven hundred forty-seven".