77008045207 has 2 divisors, whose sum is σ = 77008045208. Its totient is φ = 77008045206.

The previous prime is 77008045183. The next prime is 77008045237. The reversal of 77008045207 is 70254080077.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77008045207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77008045207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77008045237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38504022603 + 38504022604.

It is an arithmetic number, because the mean of its divisors is an integer number (38504022604).

Almost surely, 2^77008045207 is an apocalyptic number.

77008045207 is a deficient number, since it is larger than the sum of its proper divisors (1).

77008045207 is an equidigital number, since it uses as much as digits as its factorization.

77008045207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 77008045207 in words is "seventy-seven billion, eight million, forty-five thousand, two hundred seven".