7438814679 has 8 divisors (see below), whose sum is σ = 10260434160. Its totient is φ = 4788202496.

The previous prime is 7438814657. The next prime is 7438814681. The reversal of 7438814679 is 9764188347.

7438814679 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7438814679 - 2⁹ = 7438814167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438814639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42751722 + ... + 42751895.

It is an arithmetic number, because the mean of its divisors is an integer number (1282554270).

Almost surely, 2^7438814679 is an apocalyptic number.

7438814679 is a deficient number, since it is larger than the sum of its proper divisors (2821619481).

7438814679 is a wasteful number, since it uses less digits than its factorization.

7438814679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85503649.

The product of its digits is 8128512, while the sum is 57.

The square root of 7438814679 is about 86248.5633445566. The cubic root of 7438814679 is about 1952.0963367272.

The spelling of 7438814679 in words is "seven billion, four hundred thirty-eight million, eight hundred fourteen thousand, six hundred seventy-nine".