86057943 has 4 divisors (see below), whose sum is σ = 114743928. Its totient is φ = 57371960.

The previous prime is 86057941. The next prime is 86057957. The reversal of 86057943 is 34975068.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86057943 - 2¹ = 86057941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86057895 and 86057904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86057941) 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 3 ways as a sum of consecutive naturals, for example, 14342988 + ... + 14342993.

It is an arithmetic number, because the mean of its divisors is an integer number (28685982).

Almost surely, 2^86057943 is an apocalyptic number.

86057943 is a deficient number, since it is larger than the sum of its proper divisors (28685985).

86057943 is a wasteful number, since it uses less digits than its factorization.

86057943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28685984.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 86057943 is about 9276.7420466455. The cubic root of 86057943 is about 441.4996060392.

The spelling of 86057943 in words is "eighty-six million, fifty-seven thousand, nine hundred forty-three".