86897299 has 4 divisors (see below), whose sum is σ = 86999320. Its totient is φ = 86795280.

The previous prime is 86897297. The next prime is 86897303. The reversal of 86897299 is 99279868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86897299 - 2¹ = 86897297 is a prime.

It is a super-2 number, since 2×86897299² = 15102281146990802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86897297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49722 + ... + 51439.

It is an arithmetic number, because the mean of its divisors is an integer number (21749830).

Almost surely, 2^86897299 is an apocalyptic number.

86897299 is a deficient number, since it is larger than the sum of its proper divisors (102021).

86897299 is a wasteful number, since it uses less digits than its factorization.

86897299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102020.

The product of its digits is 3919104, while the sum is 58.

The square root of 86897299 is about 9321.8720759298. The cubic root of 86897299 is about 442.9303360367.

The spelling of 86897299 in words is "eighty-six million, eight hundred ninety-seven thousand, two hundred ninety-nine".