213679827 has 6 divisors (see below), whose sum is σ = 308648652. Its totient is φ = 142453212.

The previous prime is 213679789. The next prime is 213679849. The reversal of 213679827 is 728976312.

It is not a de Polignac number, because 213679827 - 2¹² = 213675731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213679877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11871093 + ... + 11871110.

It is an arithmetic number, because the mean of its divisors is an integer number (51441442).

Almost surely, 2^213679827 is an apocalyptic number.

213679827 is a deficient number, since it is larger than the sum of its proper divisors (94968825).

213679827 is a wasteful number, since it uses less digits than its factorization.

213679827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23742209 (or 23742206 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 213679827 is about 14617.7914542519. The cubic root of 213679827 is about 597.8439533850.

The spelling of 213679827 in words is "two hundred thirteen million, six hundred seventy-nine thousand, eight hundred twenty-seven".