86899767 has 16 divisors (see below), whose sum is σ = 123628032. Its totient is φ = 54104960.

The previous prime is 86899759. The next prime is 86899781. The reversal of 86899767 is 76799868.

It is a cyclic number.

It is not a de Polignac number, because 86899767 - 2³ = 86899759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86899767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86899567) 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 15 ways as a sum of consecutive naturals, for example, 178 + ... + 13184.

It is an arithmetic number, because the mean of its divisors is an integer number (7726752).

Almost surely, 2^86899767 is an apocalyptic number.

86899767 is a deficient number, since it is larger than the sum of its proper divisors (36728265).

86899767 is a wasteful number, since it uses less digits than its factorization.

86899767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13158.

The product of its digits is 9144576, while the sum is 60.

The square root of 86899767 is about 9322.0044518333. The cubic root of 86899767 is about 442.9345292692.

The spelling of 86899767 in words is "eighty-six million, eight hundred ninety-nine thousand, seven hundred sixty-seven".