86928716213 has 4 divisors (see below), whose sum is σ = 86929933728. Its totient is φ = 86927498700.

The previous prime is 86928716201. The next prime is 86928716299. The reversal of 86928716213 is 31261782968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86928716213 - 2⁴ = 86928716197 is a prime.

It is a super-2 number, since 2×86928716213² (a number of 23 digits) 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 (86928716813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494513 + ... + 646838.

It is an arithmetic number, because the mean of its divisors is an integer number (21732483432).

Almost surely, 2^86928716213 is an apocalyptic number.

It is an amenable number.

86928716213 is a deficient number, since it is larger than the sum of its proper divisors (1217515).

86928716213 is a wasteful number, since it uses less digits than its factorization.

86928716213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217514.

The product of its digits is 1741824, while the sum is 53.

The spelling of 86928716213 in words is "eighty-six billion, nine hundred twenty-eight million, seven hundred sixteen thousand, two hundred thirteen".