3988278363553 has 16 divisors (see below), whose sum is σ = 4540995634176. Its totient is φ = 3467320175440.

The previous prime is 3988278363539. The next prime is 3988278363607. The reversal of 3988278363553 is 3553638728893.

It is not a de Polignac number, because 3988278363553 - 2⁵ = 3988278363521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3988278313553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522925 + ... + 2872282.

It is an arithmetic number, because the mean of its divisors is an integer number (283812227136).

Almost surely, 2^{3988278363553} is an apocalyptic number.

It is an amenable number.

3988278363553 is a deficient number, since it is larger than the sum of its proper divisors (552717270623).

3988278363553 is a wasteful number, since it uses less digits than its factorization.

3988278363553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399884.

The product of its digits is 783820800, while the sum is 70.

The spelling of 3988278363553 in words is "three trillion, nine hundred eighty-eight billion, two hundred seventy-eight million, three hundred sixty-three thousand, five hundred fifty-three".