86144737 has 8 divisors (see below), whose sum is σ = 99372096. Its totient is φ = 73147632.

The previous prime is 86144713. The next prime is 86144767. The reversal of 86144737 is 73744168.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86144737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86144737.

It is not an unprimeable number, because it can be changed into a prime (86144767) 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, 56758 + ... + 58255.

It is an arithmetic number, because the mean of its divisors is an integer number (12421512).

Almost surely, 2^86144737 is an apocalyptic number.

It is an amenable number.

86144737 is a deficient number, since it is larger than the sum of its proper divisors (13227359).

86144737 is a wasteful number, since it uses less digits than its factorization.

86144737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115127.

The product of its digits is 112896, while the sum is 40.

The square root of 86144737 is about 9281.4189109209. The cubic root of 86144737 is about 441.6479814254.

The spelling of 86144737 in words is "eighty-six million, one hundred forty-four thousand, seven hundred thirty-seven".