1276680316776 has 32 divisors (see below), whose sum is σ = 3223301796000. Its totient is φ = 421346638400.

The previous prime is 1276680316759. The next prime is 1276680316787. The reversal of 1276680316776 is 6776130866721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263339226 + ... + 263344073.

It is an arithmetic number, because the mean of its divisors is an integer number (100728181125).

Almost surely, 2^{1276680316776} is an apocalyptic number.

It is an amenable number.

1276680316776 is an abundant number, since it is smaller than the sum of its proper divisors (1946621479224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1276680316776 is a wasteful number, since it uses less digits than its factorization.

1276680316776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526683409 (or 526683405 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 60.

Subtracting 1276680316776 from its reverse (6776130866721), we obtain a palindrome (5499450549945).

The spelling of 1276680316776 in words is "one trillion, two hundred seventy-six billion, six hundred eighty million, three hundred sixteen thousand, seven hundred seventy-six".