4257781858 has 32 divisors (see below), whose sum is σ = 7512886080. Its totient is φ = 1788768000.

The previous prime is 4257781837. The next prime is 4257781897. The reversal of 4257781858 is 8581877524.

4257781858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4257781799 and 4257781808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107083 + ... + 141358.

It is an arithmetic number, because the mean of its divisors is an integer number (234777690).

Almost surely, 2^4257781858 is an apocalyptic number.

4257781858 is a deficient number, since it is larger than the sum of its proper divisors (3255104222).

4257781858 is a wasteful number, since it uses less digits than its factorization.

4257781858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248514.

The product of its digits is 5017600, while the sum is 55.

The square root of 4257781858 is about 65251.6808825642. The cubic root of 4257781858 is about 1620.7939331018.

The spelling of 4257781858 in words is "four billion, two hundred fifty-seven million, seven hundred eighty-one thousand, eight hundred fifty-eight".