1376807771047 has 8 divisors (see below), whose sum is σ = 1400219488080. Its totient is φ = 1353398587200.

The previous prime is 1376807771041. The next prime is 1376807771057. The reversal of 1376807771047 is 7401777086731.

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 1376807771047 - 2²⁷ = 1376673553319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1376807770982 and 1376807771000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376807771041) by changing a digit.

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, 479443 + ... + 1727275.

It is an arithmetic number, because the mean of its divisors is an integer number (175027436010).

Almost surely, 2^{1376807771047} is an apocalyptic number.

1376807771047 is a deficient number, since it is larger than the sum of its proper divisors (23411717033).

1376807771047 is a wasteful number, since it uses less digits than its factorization.

1376807771047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266593.

The product of its (nonzero) digits is 9680832, while the sum is 58.

The spelling of 1376807771047 in words is "one trillion, three hundred seventy-six billion, eight hundred seven million, seven hundred seventy-one thousand, forty-seven".