6312689779 has 32 divisors (see below), whose sum is σ = 7286423040. Its totient is φ = 5423308000.

The previous prime is 6312689767. The next prime is 6312689783. The reversal of 6312689779 is 9779862136.

It is not a de Polignac number, because 6312689779 - 2⁹ = 6312689267 is a prime.

It is a Duffinian number.

Its product of digits (6858432) is a multiple of the sum of its prime factors (648).

It is not an unprimeable number, because it can be changed into a prime (6312689479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13517304 + ... + 13517770.

It is an arithmetic number, because the mean of its divisors is an integer number (227700720).

Almost surely, 2^6312689779 is an apocalyptic number.

6312689779 is a deficient number, since it is larger than the sum of its proper divisors (973733261).

6312689779 is a wasteful number, since it uses less digits than its factorization.

6312689779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 602 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 58.

The square root of 6312689779 is about 79452.4372124606. The cubic root of 6312689779 is about 1848.1539685242.

The spelling of 6312689779 in words is "six billion, three hundred twelve million, six hundred eighty-nine thousand, seven hundred seventy-nine".