85776009 has 8 divisors (see below), whose sum is σ = 124765152. Its totient is φ = 51985440.

The previous prime is 85776007. The next prime is 85776011. The reversal of 85776009 is 90067758.

It is an interprime number because it is at equal distance from previous prime (85776007) and next prime (85776011).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85776009 - 2¹ = 85776007 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85776007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299604 + ... + 1299669.

It is an arithmetic number, because the mean of its divisors is an integer number (15595644).

Almost surely, 2^85776009 is an apocalyptic number.

It is an amenable number.

85776009 is a deficient number, since it is larger than the sum of its proper divisors (38989143).

85776009 is a wasteful number, since it uses less digits than its factorization.

85776009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599287.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 85776009 is about 9261.5338362498. The cubic root of 85776009 is about 441.0169470197.

The spelling of 85776009 in words is "eighty-five million, seven hundred seventy-six thousand, nine".