77767656713067 has 16 divisors (see below), whose sum is σ = 105728923272960. Its totient is φ = 50831213037600.

The previous prime is 77767656713029. The next prime is 77767656713119. The reversal of 77767656713067 is 76031765676777.

It is not a de Polignac number, because 77767656713067 - 2²⁶ = 77767589604203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77767656713067.

It is not an unprimeable number, because it can be changed into a prime (77767656713567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683158317 + ... + 683272142.

It is an arithmetic number, because the mean of its divisors is an integer number (6608057704560).

Almost surely, 2^{77767656713067} is an apocalyptic number.

77767656713067 is a deficient number, since it is larger than the sum of its proper divisors (27961266559893).

77767656713067 is a wasteful number, since it uses less digits than its factorization.

77767656713067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366430834.

The product of its (nonzero) digits is 2287096560, while the sum is 75.

The spelling of 77767656713067 in words is "seventy-seven trillion, seven hundred sixty-seven billion, six hundred fifty-six million, seven hundred thirteen thousand, sixty-seven".