86870699 has 4 divisors (see below), whose sum is σ = 86892864. Its totient is φ = 86848536.

The previous prime is 86870653. The next prime is 86870713. The reversal of 86870699 is 99607868.

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 86870699 - 2¹⁶ = 86805163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86870699.

It is not an unprimeable number, because it can be changed into a prime (86870639) 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, 3452 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (21723216).

Almost surely, 2^86870699 is an apocalyptic number.

86870699 is a deficient number, since it is larger than the sum of its proper divisors (22165).

86870699 is a wasteful number, since it uses less digits than its factorization.

86870699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22164.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 86870699 is about 9320.4452146880. The cubic root of 86870699 is about 442.8851365140.

The spelling of 86870699 in words is "eighty-six million, eight hundred seventy thousand, six hundred ninety-nine".