86516089 has 12 divisors (see below), whose sum is σ = 95669028. Its totient is φ = 78177440.

The previous prime is 86516069. The next prime is 86516093. The reversal of 86516089 is 98061568.

It can be written as a sum of positive squares in 2 ways, for example, as 72114064 + 14402025 = 8492^2 + 3795^2 .

It is not a de Polignac number, because 86516089 - 2⁵ = 86516057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86516039) 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 11 ways as a sum of consecutive naturals, for example, 18867 + ... + 22999.

It is an arithmetic number, because the mean of its divisors is an integer number (7972419).

Almost surely, 2^86516089 is an apocalyptic number.

It is an amenable number.

86516089 is a deficient number, since it is larger than the sum of its proper divisors (9152939).

86516089 is a wasteful number, since it uses less digits than its factorization.

86516089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 86516089 is about 9301.4025286513. The cubic root of 86516089 is about 442.2816891566.

The spelling of 86516089 in words is "eighty-six million, five hundred sixteen thousand, eighty-nine".