7728376979377 has 8 divisors (see below), whose sum is σ = 7956657273600. Its totient is φ = 7501991127840.

The previous prime is 7728376979357. The next prime is 7728376979399. The reversal of 7728376979377 is 7739796738277.

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 7728376979377 - 2²³ = 7728368590769 is a prime.

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 7728376979377.

It is not an unprimeable number, because it can be changed into a prime (7728376979357) 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, 473602393 + ... + 473618710.

It is an arithmetic number, because the mean of its divisors is an integer number (994582159200).

Almost surely, 2^{7728376979377} is an apocalyptic number.

It is an amenable number.

7728376979377 is a deficient number, since it is larger than the sum of its proper divisors (228280294223).

7728376979377 is a wasteful number, since it uses less digits than its factorization.

7728376979377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947221343.

The product of its digits is 8233547616, while the sum is 82.

The spelling of 7728376979377 in words is "seven trillion, seven hundred twenty-eight billion, three hundred seventy-six million, nine hundred seventy-nine thousand, three hundred seventy-seven".