6231228779 has 4 divisors (see below), whose sum is σ = 6231519840. Its totient is φ = 6230937720.

The previous prime is 6231228763. The next prime is 6231228851. The reversal of 6231228779 is 9778221326.

It is a happy number.

6231228779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6231228779 - 2⁴ = 6231228763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6231218779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110627 + ... + 157164.

It is an arithmetic number, because the mean of its divisors is an integer number (1557879960).

Almost surely, 2^6231228779 is an apocalyptic number.

6231228779 is a deficient number, since it is larger than the sum of its proper divisors (291061).

6231228779 is a wasteful number, since it uses less digits than its factorization.

6231228779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291060.

The product of its digits is 508032, while the sum is 47.

The square root of 6231228779 is about 78938.1326039576. The cubic root of 6231228779 is about 1840.1697995277.

The spelling of 6231228779 in words is "six billion, two hundred thirty-one million, two hundred twenty-eight thousand, seven hundred seventy-nine".