1377105663 has 16 divisors (see below), whose sum is σ = 1892491776. Its totient is φ = 890170560.

The previous prime is 1377105661. The next prime is 1377105677. The reversal of 1377105663 is 3665017731.

It is not a de Polignac number, because 1377105663 - 2¹ = 1377105661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377105661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14295 + ... + 54392.

It is an arithmetic number, because the mean of its divisors is an integer number (118280736).

Almost surely, 2^1377105663 is an apocalyptic number.

1377105663 is a deficient number, since it is larger than the sum of its proper divisors (515386113).

1377105663 is a wasteful number, since it uses less digits than its factorization.

1377105663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68894.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1377105663 is about 37109.3743277895. The cubic root of 1377105663 is about 1112.5573863930.

The spelling of 1377105663 in words is "one billion, three hundred seventy-seven million, one hundred five thousand, six hundred sixty-three".