1327475655 has 64 divisors (see below), whose sum is σ = 2637411840. Its totient is φ = 627897600.

The previous prime is 1327475629. The next prime is 1327475671. The reversal of 1327475655 is 5565747231.

It is a happy number.

1327475655 is a `hidden beast` number, since 13 + 2 + 74 + 7 + 565 + 5 = 666.

It is not a de Polignac number, because 1327475655 - 2⁸ = 1327475399 is a prime.

It is a super-3 number, since 3×1327475655³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1327475655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49984 + ... + 71786.

It is an arithmetic number, because the mean of its divisors is an integer number (41209560).

Almost surely, 2^1327475655 is an apocalyptic number.

1327475655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1327475655 is a deficient number, since it is larger than the sum of its proper divisors (1309936185).

1327475655 is a wasteful number, since it uses less digits than its factorization.

1327475655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21869 (or 21863 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 1327475655 is about 36434.5393136787. The cubic root of 1327475655 is about 1099.0282478568.

The spelling of 1327475655 in words is "one billion, three hundred twenty-seven million, four hundred seventy-five thousand, six hundred fifty-five".