86497143 has 4 divisors (see below), whose sum is σ = 115329528. Its totient is φ = 57664760.

The previous prime is 86497133. The next prime is 86497153. The reversal of 86497143 is 34179468.

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

It is an interprime number because it is at equal distance from previous prime (86497133) and next prime (86497153).

It is a cyclic number.

It is not a de Polignac number, because 86497143 - 2⁸ = 86496887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86497095 and 86497104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86497133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14416188 + ... + 14416193.

It is an arithmetic number, because the mean of its divisors is an integer number (28832382).

Almost surely, 2^86497143 is an apocalyptic number.

86497143 is a deficient number, since it is larger than the sum of its proper divisors (28832385).

86497143 is a wasteful number, since it uses less digits than its factorization.

86497143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28832384.

The product of its digits is 145152, while the sum is 42.

The square root of 86497143 is about 9300.3840243293. The cubic root of 86497143 is about 442.2494019804.

The spelling of 86497143 in words is "eighty-six million, four hundred ninety-seven thousand, one hundred forty-three".