214799999 has 2 divisors, whose sum is σ = 214800000. Its totient is φ = 214799998.

The previous prime is 214799993. The next prime is 214800029. The reversal of 214799999 is 999997412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214799999 - 2⁴ = 214799983 is a prime.

It is a super-2 number, since 2×214799999² = 92278079140800002, which contains 22 as substring.

It is a Sophie Germain prime.

214799999 is a modest number, since divided by 99999 gives 2147 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214799993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107399999 + 107400000.

It is an arithmetic number, because the mean of its divisors is an integer number (107400000).

Almost surely, 2^214799999 is an apocalyptic number.

214799999 is a deficient number, since it is larger than the sum of its proper divisors (1).

214799999 is an equidigital number, since it uses as much as digits as its factorization.

214799999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3306744, while the sum is 59.

The square root of 214799999 is about 14656.0567343334. The cubic root of 214799999 is about 598.8868239721.

The spelling of 214799999 in words is "two hundred fourteen million, seven hundred ninety-nine thousand, nine hundred ninety-nine".