3989555948806 has 8 divisors (see below), whose sum is σ = 5984751779064. Its totient is φ = 1994638689120.

The previous prime is 3989555948671. The next prime is 3989555948933. The reversal of 3989555948806 is 6088495559893.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69606835 + ... + 69664126.

It is an arithmetic number, because the mean of its divisors is an integer number (748093972383).

Almost surely, 2^{3989555948806} is an apocalyptic number.

3989555948806 is a deficient number, since it is larger than the sum of its proper divisors (1995195830258).

3989555948806 is a wasteful number, since it uses less digits than its factorization.

3989555948806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139285286.

The product of its (nonzero) digits is 3359232000, while the sum is 79.

The spelling of 3989555948806 in words is "three trillion, nine hundred eighty-nine billion, five hundred fifty-five million, nine hundred forty-eight thousand, eight hundred six".