213579983727 has 48 divisors (see below), whose sum is σ = 351793698048. Its totient is φ = 123599139840.

The previous prime is 213579983723. The next prime is 213579983761. The reversal of 213579983727 is 727389975312.

213579983727 is a `hidden beast` number, since 2 + 1 + 3 + 579 + 9 + 8 + 37 + 27 = 666.

It is not a de Polignac number, because 213579983727 - 2² = 213579983723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213579983723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1232548 + ... + 1395110.

It is an arithmetic number, because the mean of its divisors is an integer number (7329035376).

Almost surely, 2^213579983727 is an apocalyptic number.

213579983727 is a deficient number, since it is larger than the sum of its proper divisors (138213714321).

213579983727 is a wasteful number, since it uses less digits than its factorization.

213579983727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163180 (or 163177 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The spelling of 213579983727 in words is "two hundred thirteen billion, five hundred seventy-nine million, nine hundred eighty-three thousand, seven hundred twenty-seven".