3988253178 has 144 divisors (see below), whose sum is σ = 11395631520. Its totient is φ = 996432192.

The previous prime is 3988253161. The next prime is 3988253179. The reversal of 3988253178 is 8713528893.

3988253178 is a `hidden beast` number, since 39 + 8 + 8 + 2 + 531 + 78 = 666.

It is not an unprimeable number, because it can be changed into a prime (3988253179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 208701 + ... + 227007.

It is an arithmetic number, because the mean of its divisors is an integer number (79136330).

Almost surely, 2^3988253178 is an apocalyptic number.

3988253178 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3988253178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5697815760).

3988253178 is an abundant number, since it is smaller than the sum of its proper divisors (7407378342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3988253178 is a wasteful number, since it uses less digits than its factorization.

3988253178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18361 (or 18351 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 3988253178 is about 63152.6181405015. The cubic root of 3988253178 is about 1585.8456185565.

The spelling of 3988253178 in words is "three billion, nine hundred eighty-eight million, two hundred fifty-three thousand, one hundred seventy-eight".