213985879733862 has 16 divisors (see below), whose sum is σ = 475524177186480. Its totient is φ = 71328626577936.

The previous prime is 213985879733839. The next prime is 213985879733891. The reversal of 213985879733862 is 268337978589312.

213985879733862 is a `hidden beast` number, since 2 + 1 + 3 + 98 + 5 + 87 + 9 + 73 + 386 + 2 = 666.

213985879733862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981350738223 + ... + 1981350738330.

It is an arithmetic number, because the mean of its divisors is an integer number (29720261074155).

Almost surely, 2^{213985879733862} is an apocalyptic number.

213985879733862 is an abundant number, since it is smaller than the sum of its proper divisors (261538297452618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213985879733862 is a wasteful number, since it uses less digits than its factorization.

213985879733862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962701476564 (or 3962701476558 counting only the distinct ones).

The product of its digits is 6584094720, while the sum is 81.

The spelling of 213985879733862 in words is "two hundred thirteen trillion, nine hundred eighty-five billion, eight hundred seventy-nine million, seven hundred thirty-three thousand, eight hundred sixty-two".