4201189878 has 32 divisors (see below), whose sum is σ = 8450956800. Its totient is φ = 1392322496.

The previous prime is 4201189877. The next prime is 4201189891. The reversal of 4201189878 is 8789811024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201189871) 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, 895543 + ... + 900221.

It is an arithmetic number, because the mean of its divisors is an integer number (264092400).

Almost surely, 2^4201189878 is an apocalyptic number.

4201189878 is an abundant number, since it is smaller than the sum of its proper divisors (4249766922).

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

4201189878 is a wasteful number, since it uses less digits than its factorization.

4201189878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 4201189878 is about 64816.5864420520. The cubic root of 4201189878 is about 1613.5809953884.

The spelling of 4201189878 in words is "four billion, two hundred one million, one hundred eighty-nine thousand, eight hundred seventy-eight".