77700080707 has 2 divisors, whose sum is σ = 77700080708. Its totient is φ = 77700080706.

The previous prime is 77700080657. The next prime is 77700080713. The reversal of 77700080707 is 70708000777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77700080707 - 2¹⁹ = 77699556419 is a prime.

It is not a weakly prime, because it can be changed into another prime (77700080747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38850040353 + 38850040354.

It is an arithmetic number, because the mean of its divisors is an integer number (38850040354).

Almost surely, 2^77700080707 is an apocalyptic number.

77700080707 is a deficient number, since it is larger than the sum of its proper divisors (1).

77700080707 is an equidigital number, since it uses as much as digits as its factorization.

77700080707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134456, while the sum is 43.

The spelling of 77700080707 in words is "seventy-seven billion, seven hundred million, eighty thousand, seven hundred seven".