86251143 has 8 divisors (see below), whose sum is σ = 125456256. Its totient is φ = 52273400.

The previous prime is 86251141. The next prime is 86251153. The reversal of 86251143 is 34115268.

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

It is a cyclic number.

It is not a de Polignac number, because 86251143 - 2¹ = 86251141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86251143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86251141) 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 7 ways as a sum of consecutive naturals, for example, 1306803 + ... + 1306868.

It is an arithmetic number, because the mean of its divisors is an integer number (15682032).

Almost surely, 2^86251143 is an apocalyptic number.

86251143 is a deficient number, since it is larger than the sum of its proper divisors (39205113).

86251143 is a wasteful number, since it uses less digits than its factorization.

86251143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613685.

The product of its digits is 5760, while the sum is 30.

The square root of 86251143 is about 9287.1493473509. The cubic root of 86251143 is about 441.8297478378.

The spelling of 86251143 in words is "eighty-six million, two hundred fifty-one thousand, one hundred forty-three".