86813000 has 32 divisors (see below), whose sum is σ = 203144760. Its totient is φ = 34724800.

The previous prime is 86812997. The next prime is 86813047. The reversal of 86813000 is 31868.

It can be written as a sum of positive squares in 4 ways, for example, as 34597924 + 52215076 = 5882^2 + 7226^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42407 + ... + 44406.

Almost surely, 2^86813000 is an apocalyptic number.

It is an amenable number.

86813000 is an abundant number, since it is smaller than the sum of its proper divisors (116331760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86813000 is a wasteful number, since it uses less digits than its factorization.

86813000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86834 (or 86820 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 86813000 is about 9317.3494084960. The cubic root of 86813000 is about 442.7870609086.

Adding to 86813000 its reverse (31868), we get a palindrome (86844868).

The spelling of 86813000 in words is "eighty-six million, eight hundred thirteen thousand".