86559723 has 6 divisors (see below), whose sum is σ = 125030724. Its totient is φ = 57706476.

The previous prime is 86559701. The next prime is 86559749. The reversal of 86559723 is 32795568.

It is a happy number.

It is not a de Polignac number, because 86559723 - 2⁸ = 86559467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86559773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4808865 + ... + 4808882.

It is an arithmetic number, because the mean of its divisors is an integer number (20838454).

Almost surely, 2^86559723 is an apocalyptic number.

86559723 is a deficient number, since it is larger than the sum of its proper divisors (38471001).

86559723 is a wasteful number, since it uses less digits than its factorization.

86559723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617753 (or 9617750 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 86559723 is about 9303.7477932283. The cubic root of 86559723 is about 442.3560309196.

The spelling of 86559723 in words is "eighty-six million, five hundred fifty-nine thousand, seven hundred twenty-three".