4127788805 has 32 divisors (see below), whose sum is σ = 5862240000. Its totient is φ = 2730051072.

The previous prime is 4127788799. The next prime is 4127788813. The reversal of 4127788805 is 5088877214.

It is a de Polignac number, because none of the positive numbers 2^k-4127788805 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1520129 + ... + 1522841.

It is an arithmetic number, because the mean of its divisors is an integer number (183195000).

Almost surely, 2^4127788805 is an apocalyptic number.

It is an amenable number.

4127788805 is a deficient number, since it is larger than the sum of its proper divisors (1734451195).

4127788805 is a wasteful number, since it uses less digits than its factorization.

4127788805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The square root of 4127788805 is about 64247.8700425158. The cubic root of 4127788805 is about 1604.1285053076.

The spelling of 4127788805 in words is "four billion, one hundred twenty-seven million, seven hundred eighty-eight thousand, eight hundred five".