5891281778 has 16 divisors (see below), whose sum is σ = 9706461120. Its totient is φ = 2669276016.

The previous prime is 5891281777. The next prime is 5891281789. The reversal of 5891281778 is 8771821985.

It is not an unprimeable number, because it can be changed into a prime (5891281777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3369425 + ... + 3371172.

It is an arithmetic number, because the mean of its divisors is an integer number (606653820).

Almost surely, 2^5891281778 is an apocalyptic number.

5891281778 is a deficient number, since it is larger than the sum of its proper divisors (3815179342).

5891281778 is a wasteful number, since it uses less digits than its factorization.

5891281778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740641.

The product of its digits is 2257920, while the sum is 56.

The square root of 5891281778 is about 76754.6857071280. The cubic root of 5891281778 is about 1806.0783991733.

The spelling of 5891281778 in words is "five billion, eight hundred ninety-one million, two hundred eighty-one thousand, seven hundred seventy-eight".