4387985817601 has 8 divisors (see below), whose sum is σ = 4620158671680. Its totient is φ = 4155935586768.

The previous prime is 4387985817599. The next prime is 4387985817659. The reversal of 4387985817601 is 1067185897834.

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 4387985817601 - 2¹ = 4387985817599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4387985817661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30582346 + ... + 30725491.

It is an arithmetic number, because the mean of its divisors is an integer number (577519833960).

Almost surely, 2^{4387985817601} is an apocalyptic number.

It is an amenable number.

4387985817601 is a deficient number, since it is larger than the sum of its proper divisors (232172854079).

4387985817601 is a wasteful number, since it uses less digits than its factorization.

4387985817601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61311623.

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 4387985817601 in words is "four trillion, three hundred eighty-seven billion, nine hundred eighty-five million, eight hundred seventeen thousand, six hundred one".