3987582975997 has 8 divisors (see below), whose sum is σ = 4053830300352. Its totient is φ = 3921615768000.

The previous prime is 3987582975947. The next prime is 3987582976001. The reversal of 3987582975997 is 7995792857893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3987582975997 - 2¹⁵ = 3987582943229 is a prime.

It is a super-2 number, since 2×3987582975997² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987582975947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70000383 + ... + 70057324.

It is an arithmetic number, because the mean of its divisors is an integer number (506728787544).

Almost surely, 2^{3987582975997} is an apocalyptic number.

It is an amenable number.

3987582975997 is a deficient number, since it is larger than the sum of its proper divisors (66247324355).

3987582975997 is a wasteful number, since it uses less digits than its factorization.

3987582975997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140058179.

The product of its digits is 21604060800, while the sum is 88.

The spelling of 3987582975997 in words is "three trillion, nine hundred eighty-seven billion, five hundred eighty-two million, nine hundred seventy-five thousand, nine hundred ninety-seven".