77214113 has 2 divisors, whose sum is σ = 77214114. Its totient is φ = 77214112.

The previous prime is 77214107. The next prime is 77214127. The reversal of 77214113 is 31141277.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76247824 + 966289 = 8732^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 77214113 - 2⁴ = 77214097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (77214173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38607056 + 38607057.

It is an arithmetic number, because the mean of its divisors is an integer number (38607057).

Almost surely, 2^77214113 is an apocalyptic number.

It is an amenable number.

77214113 is a deficient number, since it is larger than the sum of its proper divisors (1).

77214113 is an equidigital number, since it uses as much as digits as its factorization.

77214113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 77214113 is about 8787.1561383647. The cubic root of 77214113 is about 425.8260529144.

The spelling of 77214113 in words is "seventy-seven million, two hundred fourteen thousand, one hundred thirteen".