77745600654707 has 2 divisors, whose sum is σ = 77745600654708. Its totient is φ = 77745600654706.

The previous prime is 77745600654703. The next prime is 77745600654719. The reversal of 77745600654707 is 70745600654777.

It is a weak prime.

It is an emirp because it is prime and its reverse (70745600654777) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77745600654707 - 2² = 77745600654703 is a prime.

It is a super-2 number, since 2×77745600654707² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77745600654703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38872800327353 + 38872800327354.

It is an arithmetic number, because the mean of its divisors is an integer number (38872800327354).

Almost surely, 2^{77745600654707} is an apocalyptic number.

77745600654707 is a deficient number, since it is larger than the sum of its proper divisors (1).

77745600654707 is an equidigital number, since it uses as much as digits as its factorization.

77745600654707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 242020800, while the sum is 65.

The spelling of 77745600654707 in words is "seventy-seven trillion, seven hundred forty-five billion, six hundred million, six hundred fifty-four thousand, seven hundred seven".