86800869 has 32 divisors (see below), whose sum is σ = 133271040. Its totient is φ = 55800576.

The previous prime is 86800867. The next prime is 86800877. The reversal of 86800869 is 96800868.

It is not a de Polignac number, because 86800869 - 2¹ = 86800867 is a prime.

It is a super-2 number, since 2×86800869² = 15068781718310322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86800867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92169 + ... + 93105.

It is an arithmetic number, because the mean of its divisors is an integer number (4164720).

Almost surely, 2^86800869 is an apocalyptic number.

It is an amenable number.

86800869 is a deficient number, since it is larger than the sum of its proper divisors (46470171).

86800869 is a wasteful number, since it uses less digits than its factorization.

86800869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 86800869 is about 9316.6983958911. The cubic root of 86800869 is about 442.7664353492.

Subtracting 86800869 from its reverse (96800868), we obtain a palindrome (9999999).

The spelling of 86800869 in words is "eighty-six million, eight hundred thousand, eight hundred sixty-nine".