77614039 has 2 divisors, whose sum is σ = 77614040. Its totient is φ = 77614038.

The previous prime is 77614013. The next prime is 77614057. The reversal of 77614039 is 93041677.

It is a strong prime.

It is an emirp because it is prime and its reverse (93041677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77614039 - 2⁵ = 77614007 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 77613989 and 77614007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77614099) 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, 38807019 + 38807020.

It is an arithmetic number, because the mean of its divisors is an integer number (38807020).

Almost surely, 2^77614039 is an apocalyptic number.

77614039 is a deficient number, since it is larger than the sum of its proper divisors (1).

77614039 is an equidigital number, since it uses as much as digits as its factorization.

77614039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 77614039 is about 8809.8830298705. The cubic root of 77614039 is about 426.5599676906.

The spelling of 77614039 in words is "seventy-seven million, six hundred fourteen thousand, thirty-nine".