77614013 has 2 divisors, whose sum is σ = 77614014. Its totient is φ = 77614012.

The previous prime is 77614007. The next prime is 77614039. The reversal of 77614013 is 31041677.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74011609 + 3602404 = 8603^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 77614013 - 2⁴ = 77613997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77614003) 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, 38807006 + 38807007.

It is an arithmetic number, because the mean of its divisors is an integer number (38807007).

Almost surely, 2^77614013 is an apocalyptic number.

It is an amenable number.

77614013 is a deficient number, since it is larger than the sum of its proper divisors (1).

77614013 is an equidigital number, since it uses as much as digits as its factorization.

77614013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 77614013 is about 8809.8815542549. The cubic root of 77614013 is about 426.5599200594.

The spelling of 77614013 in words is "seventy-seven million, six hundred fourteen thousand, thirteen".