85947736 has 32 divisors (see below), whose sum is σ = 184746240. Its totient is φ = 36720288.

The previous prime is 85947703. The next prime is 85947737. The reversal of 85947736 is 63774958.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85947736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85947737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17221 + ... + 21643.

It is an arithmetic number, because the mean of its divisors is an integer number (5773320).

Almost surely, 2^85947736 is an apocalyptic number.

It is an amenable number.

85947736 is an abundant number, since it is smaller than the sum of its proper divisors (98798504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85947736 is a wasteful number, since it uses less digits than its factorization.

85947736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783 (or 4779 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 85947736 is about 9270.8001812141. The cubic root of 85947736 is about 441.3110620180.

The spelling of 85947736 in words is "eighty-five million, nine hundred forty-seven thousand, seven hundred thirty-six".