1382485877784 has 48 divisors (see below), whose sum is σ = 4084617368520. Its totient is φ = 418935114240.

The previous prime is 1382485877783. The next prime is 1382485877819. The reversal of 1382485877784 is 4877785842831.

1382485877784 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 485 + 8 + 77 + 78 + 4 = 666.

It is a super-2 number, since 2×1382485877784² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382485877783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 872780697 + ... + 872782280.

Almost surely, 2^{1382485877784} is an apocalyptic number.

It is an amenable number.

1382485877784 is an abundant number, since it is smaller than the sum of its proper divisors (2702131490736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1382485877784 is a wasteful number, since it uses less digits than its factorization.

1382485877784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745563000 (or 1745562993 counting only the distinct ones).

The product of its digits is 674365440, while the sum is 72.

The spelling of 1382485877784 in words is "one trillion, three hundred eighty-two billion, four hundred eighty-five million, eight hundred seventy-seven thousand, seven hundred eighty-four".