86258739 has 16 divisors (see below), whose sum is σ = 132108800. Its totient is φ = 49040640.

The previous prime is 86258657. The next prime is 86258741. The reversal of 86258739 is 93785268.

It is not a de Polignac number, because 86258739 - 2⁷ = 86258611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86258759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6142 + ... + 14499.

It is an arithmetic number, because the mean of its divisors is an integer number (8256800).

Almost surely, 2^86258739 is an apocalyptic number.

86258739 is a deficient number, since it is larger than the sum of its proper divisors (45850061).

86258739 is a wasteful number, since it uses less digits than its factorization.

86258739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20850.

The product of its digits is 725760, while the sum is 48.

The square root of 86258739 is about 9287.5582905304. The cubic root of 86258739 is about 441.8427178698.

The spelling of 86258739 in words is "eighty-six million, two hundred fifty-eight thousand, seven hundred thirty-nine".