214106779 has 2 divisors, whose sum is σ = 214106780. Its totient is φ = 214106778.

The previous prime is 214106777. The next prime is 214106807. The reversal of 214106779 is 977601412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214106779 - 2¹ = 214106777 is a prime.

Together with 214106777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (214106777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107053389 + 107053390.

It is an arithmetic number, because the mean of its divisors is an integer number (107053390).

Almost surely, 2^214106779 is an apocalyptic number.

214106779 is a deficient number, since it is larger than the sum of its proper divisors (1).

214106779 is an equidigital number, since it uses as much as digits as its factorization.

214106779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 214106779 is about 14632.3880142648. The cubic root of 214106779 is about 598.2418709281.

The spelling of 214106779 in words is "two hundred fourteen million, one hundred six thousand, seven hundred seventy-nine".