4571787878 has 16 divisors (see below), whose sum is σ = 8178105600. Its totient is φ = 1874148936.

The previous prime is 4571787877. The next prime is 4571787881. The reversal of 4571787878 is 8787871754.

It is a self number, because there is not a number n which added to its sum of digits gives 4571787878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4571787877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098728 + ... + 7099371.

It is an arithmetic number, because the mean of its divisors is an integer number (511131600).

Almost surely, 2^4571787878 is an apocalyptic number.

4571787878 is a deficient number, since it is larger than the sum of its proper divisors (3606317722).

4571787878 is a wasteful number, since it uses less digits than its factorization.

4571787878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14198131.

The product of its digits is 24586240, while the sum is 62.

The square root of 4571787878 is about 67614.9974340013. The cubic root of 4571787878 is about 1659.6965475701.

The spelling of 4571787878 in words is "four billion, five hundred seventy-one million, seven hundred eighty-seven thousand, eight hundred seventy-eight".