213027706879 has 4 divisors (see below), whose sum is σ = 229414453576. Its totient is φ = 196640960184.

The previous prime is 213027706873. The next prime is 213027706907. The reversal of 213027706879 is 978607720312.

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 213027706879 - 2²³ = 213019318271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213027706873) 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, 8193373329 + ... + 8193373354.

It is an arithmetic number, because the mean of its divisors is an integer number (57353613394).

Almost surely, 2^213027706879 is an apocalyptic number.

213027706879 is a deficient number, since it is larger than the sum of its proper divisors (16386746697).

213027706879 is a wasteful number, since it uses less digits than its factorization.

213027706879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16386746696.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 213027706879 in words is "two hundred thirteen billion, twenty-seven million, seven hundred six thousand, eight hundred seventy-nine".