7128467979 has 8 divisors (see below), whose sum is σ = 9561538560. Its totient is φ = 4723854696.

The previous prime is 7128467977. The next prime is 7128468007. The reversal of 7128467979 is 9797648217.

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

It is not a de Polignac number, because 7128467979 - 2¹ = 7128467977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7128467971) 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, 7113739 + ... + 7114740.

It is an arithmetic number, because the mean of its divisors is an integer number (1195192320).

Almost surely, 2^7128467979 is an apocalyptic number.

7128467979 is a deficient number, since it is larger than the sum of its proper divisors (2433070581).

7128467979 is a wasteful number, since it uses less digits than its factorization.

7128467979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228649.

The product of its digits is 10668672, while the sum is 60.

The square root of 7128467979 is about 84430.2551162793. The cubic root of 7128467979 is about 1924.5627143235.

The spelling of 7128467979 in words is "seven billion, one hundred twenty-eight million, four hundred sixty-seven thousand, nine hundred seventy-nine".