86130811 has 4 divisors (see below), whose sum is σ = 92756272. Its totient is φ = 79505352.

The previous prime is 86130799. The next prime is 86130817. The reversal of 86130811 is 11803168.

It is a happy number.

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 86130811 - 2¹⁹ = 85606523 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 86130811.

It is not an unprimeable number, because it can be changed into a prime (86130817) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3312711 + ... + 3312736.

It is an arithmetic number, because the mean of its divisors is an integer number (23189068).

Almost surely, 2^86130811 is an apocalyptic number.

86130811 is a deficient number, since it is larger than the sum of its proper divisors (6625461).

86130811 is a wasteful number, since it uses less digits than its factorization.

86130811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625460.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 86130811 is about 9280.6686720300. The cubic root of 86130811 is about 441.6241814756.

Adding to 86130811 its reverse (11803168), we get a palindrome (97933979).

The spelling of 86130811 in words is "eighty-six million, one hundred thirty thousand, eight hundred eleven".