213687027697 has 8 divisors (see below), whose sum is σ = 251044899840. Its totient is φ = 179317785360.

The previous prime is 213687027689. The next prime is 213687027709. The reversal of 213687027697 is 796720786312.

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

It is a cyclic number.

It is not a de Polignac number, because 213687027697 - 2³ = 213687027689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213687007697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747157297 + ... + 747157582.

It is an arithmetic number, because the mean of its divisors is an integer number (31380612480).

Almost surely, 2^213687027697 is an apocalyptic number.

It is an amenable number.

213687027697 is a deficient number, since it is larger than the sum of its proper divisors (37357872143).

213687027697 is a wasteful number, since it uses less digits than its factorization.

213687027697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494314903.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 213687027697 in words is "two hundred thirteen billion, six hundred eighty-seven million, twenty-seven thousand, six hundred ninety-seven".