86897512 has 16 divisors (see below), whose sum is σ = 175466340. Its totient is φ = 40106496.

The previous prime is 86897509. The next prime is 86897533. The reversal of 86897512 is 21579868.

It can be written as a sum of positive squares in 2 ways, for example, as 68459076 + 18438436 = 8274^2 + 4294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417673 + ... + 417880.

Almost surely, 2^86897512 is an apocalyptic number.

It is an amenable number.

86897512 is an abundant number, since it is smaller than the sum of its proper divisors (88568828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86897512 is a wasteful number, since it uses less digits than its factorization.

86897512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835572 (or 835568 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 86897512 is about 9321.8835006666. The cubic root of 86897512 is about 442.9306979355.

The spelling of 86897512 in words is "eighty-six million, eight hundred ninety-seven thousand, five hundred twelve".