1377482775 has 12 divisors (see below), whose sum is σ = 2277438312. Its totient is φ = 734657440.

The previous prime is 1377482747. The next prime is 1377482791. The reversal of 1377482775 is 5772847731.

It is not a de Polignac number, because 1377482775 - 2¹⁸ = 1377220631 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9183144 + ... + 9183293.

It is an arithmetic number, because the mean of its divisors is an integer number (189786526).

Almost surely, 2^1377482775 is an apocalyptic number.

1377482775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1377482775 is a deficient number, since it is larger than the sum of its proper divisors (899955537).

1377482775 is a wasteful number, since it uses less digits than its factorization.

1377482775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366450 (or 18366445 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 51.

The square root of 1377482775 is about 37114.4550680729. The cubic root of 1377482775 is about 1112.6589328127.

The spelling of 1377482775 in words is "one billion, three hundred seventy-seven million, four hundred eighty-two thousand, seven hundred seventy-five".