86401143 has 12 divisors (see below), whose sum is σ = 125630128. Its totient is φ = 57218400.

The previous prime is 86401099. The next prime is 86401171. The reversal of 86401143 is 34110468.

86401143 is a `hidden beast` number, since 8 + 640 + 1 + 14 + 3 = 666.

It is not a de Polignac number, because 86401143 - 2⁶ = 86401079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86401243) 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 11 ways as a sum of consecutive naturals, for example, 30430 + ... + 33147.

Almost surely, 2^86401143 is an apocalyptic number.

86401143 is a deficient number, since it is larger than the sum of its proper divisors (39228985).

86401143 is a wasteful number, since it uses less digits than its factorization.

86401143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63734 (or 63731 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 86401143 is about 9295.2215143051. The cubic root of 86401143 is about 442.0857292949.

The spelling of 86401143 in words is "eighty-six million, four hundred one thousand, one hundred forty-three".