211342079 has 16 divisors (see below), whose sum is σ = 244399680. Its totient is φ = 181009920.

The previous prime is 211342057. The next prime is 211342093. The reversal of 211342079 is 970243112.

It is not a de Polignac number, because 211342079 - 2¹² = 211337983 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 (211342049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8957 + ... + 22425.

It is an arithmetic number, because the mean of its divisors is an integer number (15274980).

Almost surely, 2^211342079 is an apocalyptic number.

211342079 is a deficient number, since it is larger than the sum of its proper divisors (33057601).

211342079 is a wasteful number, since it uses less digits than its factorization.

211342079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13570.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 211342079 is about 14537.6091225483. The cubic root of 211342079 is about 595.6557316542.

The spelling of 211342079 in words is "two hundred eleven million, three hundred forty-two thousand, seventy-nine".