1277426834304 has 64 divisors (see below), whose sum is σ = 3393375984000. Its totient is φ = 425782472192.

The previous prime is 1277426834297. The next prime is 1277426834317. The reversal of 1277426834304 is 4034386247721.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655717 + ... + 6844955.

It is an arithmetic number, because the mean of its divisors is an integer number (53021499750).

Almost surely, 2^{1277426834304} is an apocalyptic number.

It is an amenable number.

1277426834304 is an abundant number, since it is smaller than the sum of its proper divisors (2115949149696).

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

1277426834304 is a wasteful number, since it uses less digits than its factorization.

1277426834304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206835 (or 206823 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 51.

It can be divided in two parts, 127742 and 6834304, that added together give a triangular number (6962046 = T₃₇₃₁).

The spelling of 1277426834304 in words is "one trillion, two hundred seventy-seven billion, four hundred twenty-six million, eight hundred thirty-four thousand, three hundred four".