86768413 has 4 divisors (see below), whose sum is σ = 88190908. Its totient is φ = 85345920.

The previous prime is 86768399. The next prime is 86768419. The reversal of 86768413 is 31486768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17994564 + 68773849 = 4242^2 + 8293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86768413 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 86768413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86768419) 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 3 ways as a sum of consecutive naturals, for example, 711156 + ... + 711277.

It is an arithmetic number, because the mean of its divisors is an integer number (22047727).

Almost surely, 2^86768413 is an apocalyptic number.

It is an amenable number.

86768413 is a deficient number, since it is larger than the sum of its proper divisors (1422495).

86768413 is a wasteful number, since it uses less digits than its factorization.

86768413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422494.

The product of its digits is 193536, while the sum is 43.

The square root of 86768413 is about 9314.9564142834. The cubic root of 86768413 is about 442.7112430489.

The spelling of 86768413 in words is "eighty-six million, seven hundred sixty-eight thousand, four hundred thirteen".