7477066813768 has 8 divisors (see below), whose sum is σ = 14019500275830. Its totient is φ = 3738533406880.

The previous prime is 7477066813721. The next prime is 7477066813789. The reversal of 7477066813768 is 8673186607747.

It can be written as a sum of positive squares in only one way, i.e., 5995632165604 + 1481434648164 = 2448598^2 + 1217142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 7477066813697 and 7477066813706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467316675853 + ... + 467316675868.

Almost surely, 2^{7477066813768} is an apocalyptic number.

It is an amenable number.

7477066813768 is a deficient number, since it is larger than the sum of its proper divisors (6542433462062).

7477066813768 is a wasteful number, since it uses less digits than its factorization.

7477066813768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934633351727 (or 934633351723 counting only the distinct ones).

The product of its (nonzero) digits is 398297088, while the sum is 70.

The spelling of 7477066813768 in words is "seven trillion, four hundred seventy-seven billion, sixty-six million, eight hundred thirteen thousand, seven hundred sixty-eight".