214207879 has 4 divisors (see below), whose sum is σ = 214323760. Its totient is φ = 214092000.

The previous prime is 214207841. The next prime is 214207883. The reversal of 214207879 is 978702412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214207879 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 (214207379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55122 + ... + 58879.

It is an arithmetic number, because the mean of its divisors is an integer number (53580940).

Almost surely, 2^214207879 is an apocalyptic number.

214207879 is a deficient number, since it is larger than the sum of its proper divisors (115881).

214207879 is a wasteful number, since it uses less digits than its factorization.

214207879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115880.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 214207879 is about 14635.8422716289. The cubic root of 214207879 is about 598.3360182442.

The spelling of 214207879 in words is "two hundred fourteen million, two hundred seven thousand, eight hundred seventy-nine".