86667249 has 8 divisors (see below), whose sum is σ = 115666432. Its totient is φ = 57723120.

The previous prime is 86667233. The next prime is 86667257. The reversal of 86667249 is 94276668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86667249 - 2⁴ = 86667233 is a prime.

It is a super-2 number, since 2×86667249² = 15022424098456002, 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 = 86667198 and 86667207.

It is not an unprimeable number, because it can be changed into a prime (86667149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9937 + ... + 16494.

It is an arithmetic number, because the mean of its divisors is an integer number (14458304).

Almost surely, 2^86667249 is an apocalyptic number.

It is an amenable number.

86667249 is a deficient number, since it is larger than the sum of its proper divisors (28999183).

86667249 is a wasteful number, since it uses less digits than its factorization.

86667249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27527.

The product of its digits is 870912, while the sum is 48.

The square root of 86667249 is about 9309.5246387772. The cubic root of 86667249 is about 442.5391225903.

The spelling of 86667249 in words is "eighty-six million, six hundred sixty-seven thousand, two hundred forty-nine".