77616107 has 2 divisors, whose sum is σ = 77616108. Its totient is φ = 77616106.

The previous prime is 77616079. The next prime is 77616109. The reversal of 77616107 is 70161677.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77616107 - 2⁶ = 77616043 is a prime.

Together with 77616109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77616109) 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 as a sum of consecutive naturals, namely, 38808053 + 38808054.

It is an arithmetic number, because the mean of its divisors is an integer number (38808054).

Almost surely, 2^77616107 is an apocalyptic number.

77616107 is a deficient number, since it is larger than the sum of its proper divisors (1).

77616107 is an equidigital number, since it uses as much as digits as its factorization.

77616107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 77616107 is about 8810.0003972758. Note that the first 3 decimals coincide. The cubic root of 77616107 is about 426.5637561726.

The spelling of 77616107 in words is "seventy-seven million, six hundred sixteen thousand, one hundred seven".