86667489 has 40 divisors (see below), whose sum is σ = 134164800. Its totient is φ = 55720224.

The previous prime is 86667461. The next prime is 86667491. The reversal of 86667489 is 98476668.

It is not a de Polignac number, because 86667489 - 2⁸ = 86667233 is a prime.

It is a super-2 number, since 2×86667489² = 15022507299130242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86667409) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 518884 + ... + 519050.

It is an arithmetic number, because the mean of its divisors is an integer number (3354120).

Almost surely, 2^86667489 is an apocalyptic number.

It is an amenable number.

86667489 is a deficient number, since it is larger than the sum of its proper divisors (47497311).

86667489 is a wasteful number, since it uses less digits than its factorization.

86667489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 362 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 86667489 is about 9309.5375287927. The cubic root of 86667489 is about 442.5395310848.

The spelling of 86667489 in words is "eighty-six million, six hundred sixty-seven thousand, four hundred eighty-nine".