77740381114667 has 8 divisors (see below), whose sum is σ = 78835899156192. Its totient is φ = 76644879270400.

The previous prime is 77740381114663. The next prime is 77740381114687. The reversal of 77740381114667 is 76641118304777.

It is a happy number.

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 77740381114667 - 2² = 77740381114663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77740381114663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5784617 + ... + 13745637.

It is an arithmetic number, because the mean of its divisors is an integer number (9854487394524).

Almost surely, 2^{77740381114667} is an apocalyptic number.

77740381114667 is a deficient number, since it is larger than the sum of its proper divisors (1095518041525).

77740381114667 is a wasteful number, since it uses less digits than its factorization.

77740381114667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098629.

The product of its (nonzero) digits is 33191424, while the sum is 62.

The spelling of 77740381114667 in words is "seventy-seven trillion, seven hundred forty billion, three hundred eighty-one million, one hundred fourteen thousand, six hundred sixty-seven".