86802913 has 8 divisors (see below), whose sum is σ = 88807400. Its totient is φ = 84820608.

The previous prime is 86802907. The next prime is 86802917. The reversal of 86802913 is 31920868.

It can be written as a sum of positive squares in 4 ways, for example, as 12446784 + 74356129 = 3528^2 + 8623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86802913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86802917) 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 7 ways as a sum of consecutive naturals, for example, 2503 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (11100925).

Almost surely, 2^86802913 is an apocalyptic number.

It is an amenable number.

86802913 is a deficient number, since it is larger than the sum of its proper divisors (2004487).

86802913 is a wasteful number, since it uses less digits than its factorization.

86802913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 86802913 is about 9316.8080907573. The cubic root of 86802913 is about 442.7699107656.

The spelling of 86802913 in words is "eighty-six million, eight hundred two thousand, nine hundred thirteen".