1377766047 has 16 divisors (see below), whose sum is σ = 2108471040. Its totient is φ = 783913152.

The previous prime is 1377766031. The next prime is 1377766081. The reversal of 1377766047 is 7406677731.

1377766047 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1377766047 - 2⁴ = 1377766031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377765987 and 1377766005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377766087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135897 + ... + 145682.

It is an arithmetic number, because the mean of its divisors is an integer number (131779440).

Almost surely, 2^1377766047 is an apocalyptic number.

1377766047 is a deficient number, since it is larger than the sum of its proper divisors (730704993).

1377766047 is a wasteful number, since it uses less digits than its factorization.

1377766047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281822.

The product of its (nonzero) digits is 1037232, while the sum is 48.

The square root of 1377766047 is about 37118.2710669557. The cubic root of 1377766047 is about 1112.7351983806.

The spelling of 1377766047 in words is "one billion, three hundred seventy-seven million, seven hundred sixty-six thousand, forty-seven".