6727879394 has 8 divisors (see below), whose sum is σ = 10135888860. Its totient is φ = 3349249776.

The previous prime is 6727879393. The next prime is 6727879409. The reversal of 6727879394 is 4939787276.

6727879394 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5088682225 + 1639197169 = 71335^2 + 40487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6727879394² = 90528722280419614472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6727879393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7344389 + ... + 7345304.

Almost surely, 2^6727879394 is an apocalyptic number.

6727879394 is a deficient number, since it is larger than the sum of its proper divisors (3408009466).

6727879394 is a wasteful number, since it uses less digits than its factorization.

6727879394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14689924.

The product of its digits is 32006016, while the sum is 62.

The square root of 6727879394 is about 82023.6514305478. The cubic root of 6727879394 is about 1887.8148550326.

The spelling of 6727879394 in words is "six billion, seven hundred twenty-seven million, eight hundred seventy-nine thousand, three hundred ninety-four".