4078888668 has 36 divisors (see below), whose sum is σ = 10550307768. Its totient is φ = 1328009760.

The previous prime is 4078888663. The next prime is 4078888687. The reversal of 4078888668 is 8668888704.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078888663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315923 + ... + 1319018.

Almost surely, 2^4078888668 is an apocalyptic number.

It is an amenable number.

4078888668 is an abundant number, since it is smaller than the sum of its proper divisors (6471419100).

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

4078888668 is a wasteful number, since it uses less digits than its factorization.

4078888668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634994 (or 2634989 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 63.

The square root of 4078888668 is about 63866.1778095417. The cubic root of 4078888668 is about 1597.7688521624.

The spelling of 4078888668 in words is "four billion, seventy-eight million, eight hundred eighty-eight thousand, six hundred sixty-eight".