85036947 has 8 divisors (see below), whose sum is σ = 114248640. Its totient is φ = 56258280.

The previous prime is 85036933. The next prime is 85036967. The reversal of 85036947 is 74963058.

It is a happy number.

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

It is not a de Polignac number, because 85036947 - 2⁶ = 85036883 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 = 85036899 and 85036908.

It is not an unprimeable number, because it can be changed into a prime (85036967) 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, 107797 + ... + 108582.

It is an arithmetic number, because the mean of its divisors is an integer number (14281080).

Almost surely, 2^85036947 is an apocalyptic number.

85036947 is a deficient number, since it is larger than the sum of its proper divisors (29211693).

85036947 is a wasteful number, since it uses less digits than its factorization.

85036947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216513.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 85036947 is about 9221.5479720056. The cubic root of 85036947 is about 439.7466637390.

The spelling of 85036947 in words is "eighty-five million, thirty-six thousand, nine hundred forty-seven".