77786152682369 has 8 divisors (see below), whose sum is σ = 77829582412800. Its totient is φ = 77742723789376.

The previous prime is 77786152682311. The next prime is 77786152682383. The reversal of 77786152682369 is 96328625168777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77786152682369 - 2³² = 77781857715073 is a prime.

It is a super-2 number, since 2×77786152682369² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77786152682369.

It is not an unprimeable number, because it can be changed into a prime (77786152682269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328927832 + ... + 329164230.

It is an arithmetic number, because the mean of its divisors is an integer number (9728697801600).

Almost surely, 2^{77786152682369} is an apocalyptic number.

It is an amenable number.

77786152682369 is a deficient number, since it is larger than the sum of its proper divisors (43429730431).

77786152682369 is a wasteful number, since it uses less digits than its factorization.

77786152682369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418719.

The product of its digits is 2560481280, while the sum is 77.

The spelling of 77786152682369 in words is "seventy-seven trillion, seven hundred eighty-six billion, one hundred fifty-two million, six hundred eighty-two thousand, three hundred sixty-nine".