86016431 has 4 divisors (see below), whose sum is σ = 86151264. Its totient is φ = 85881600.

The previous prime is 86016421. The next prime is 86016443. The reversal of 86016431 is 13461068.

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 86016431 - 2¹⁸ = 85754287 is a prime.

It is a super-2 number, since 2×86016431² = 14797652803955522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86016394 and 86016403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86016421) 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 3 ways as a sum of consecutive naturals, for example, 66455 + ... + 67736.

It is an arithmetic number, because the mean of its divisors is an integer number (21537816).

Almost surely, 2^86016431 is an apocalyptic number.

86016431 is a deficient number, since it is larger than the sum of its proper divisors (134833).

86016431 is a wasteful number, since it uses less digits than its factorization.

86016431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134832.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 86016431 is about 9274.5043533334. The cubic root of 86016431 is about 441.4286055067.

Adding to 86016431 its reverse (13461068), we get a palindrome (99477499).

The spelling of 86016431 in words is "eighty-six million, sixteen thousand, four hundred thirty-one".