77045653617407 has 2 divisors, whose sum is σ = 77045653617408. Its totient is φ = 77045653617406.

The previous prime is 77045653617371. The next prime is 77045653617409. The reversal of 77045653617407 is 70471635654077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77045653617407 - 2¹⁶ = 77045653551871 is a prime.

Together with 77045653617409, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77045653617407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77045653617409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38522826808703 + 38522826808704.

It is an arithmetic number, because the mean of its divisors is an integer number (38522826808704).

Almost surely, 2^{77045653617407} is an apocalyptic number.

77045653617407 is a deficient number, since it is larger than the sum of its proper divisors (1).

77045653617407 is an equidigital number, since it uses as much as digits as its factorization.

77045653617407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103723200, while the sum is 62.

The spelling of 77045653617407 in words is "seventy-seven trillion, forty-five billion, six hundred fifty-three million, six hundred seventeen thousand, four hundred seven".