86900869 has 12 divisors (see below), whose sum is σ = 96738880. Its totient is φ = 77992200.

The previous prime is 86900839. The next prime is 86900887. The reversal of 86900869 is 96800968.

It is a happy number.

It is not a de Polignac number, because 86900869 - 2¹¹ = 86898821 is a prime.

It is a super-2 number, since 2×86900869² = 15103522065910322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86900819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5014 + ... + 14104.

Almost surely, 2^86900869 is an apocalyptic number.

It is an amenable number.

86900869 is a deficient number, since it is larger than the sum of its proper divisors (9838011).

86900869 is a wasteful number, since it uses less digits than its factorization.

86900869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192 (or 9181 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 86900869 is about 9322.0635591054. The cubic root of 86900869 is about 442.9364015864.

Subtracting 86900869 from its reverse (96800968), we obtain a palindrome (9900099).

It can be divided in two parts, 86900 and 869, that multiplied together give a square (75516100 = 8690²).

The spelling of 86900869 in words is "eighty-six million, nine hundred thousand, eight hundred sixty-nine".