1324408621887 has 80 divisors (see below), whose sum is σ = 2184546405888. Its totient is φ = 794470420800.

The previous prime is 1324408621883. The next prime is 1324408622063. The reversal of 1324408621887 is 7881268044231.

1324408621887 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 4 + 0 + 8 + 621 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 1324408621887 - 2² = 1324408621883 is a prime.

It is a super-3 number, since 3×1324408621887³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324408621883) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22746262 + ... + 22804412.

Almost surely, 2^{1324408621887} is an apocalyptic number.

1324408621887 is a deficient number, since it is larger than the sum of its proper divisors (860137784001).

1324408621887 is a wasteful number, since it uses less digits than its factorization.

1324408621887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58722 (or 58713 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 1324408621887 in words is "one trillion, three hundred twenty-four billion, four hundred eight million, six hundred twenty-one thousand, eight hundred eighty-seven".