86997459 has 8 divisors (see below), whose sum is σ = 116831680. Its totient is φ = 57580776.

The previous prime is 86997451. The next prime is 86997473. The reversal of 86997459 is 95479968.

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

It is not a de Polignac number, because 86997459 - 2³ = 86997451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86997399 and 86997408.

It is not an unprimeable number, because it can be changed into a prime (86997451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103897 + ... + 104730.

It is an arithmetic number, because the mean of its divisors is an integer number (14603960).

Almost surely, 2^86997459 is an apocalyptic number.

86997459 is a deficient number, since it is larger than the sum of its proper divisors (29834221).

86997459 is a wasteful number, since it uses less digits than its factorization.

86997459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208769.

The product of its digits is 4898880, while the sum is 57.

The square root of 86997459 is about 9327.2428401967. The cubic root of 86997459 is about 443.1004482224.

The spelling of 86997459 in words is "eighty-six million, nine hundred ninety-seven thousand, four hundred fifty-nine".