7879545946 has 8 divisors (see below), whose sum is σ = 11832737364. Its totient is φ = 3935300160.

The previous prime is 7879545923. The next prime is 7879545967. The reversal of 7879545946 is 6495459787.

It can be written as a sum of positive squares in 2 ways, for example, as 7595994025 + 283551921 = 87155^2 + 16839^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234205 + ... + 2237728.

Almost surely, 2^7879545946 is an apocalyptic number.

7879545946 is a deficient number, since it is larger than the sum of its proper divisors (3953191418).

7879545946 is a wasteful number, since it uses less digits than its factorization.

7879545946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472816.

The product of its digits is 76204800, while the sum is 64.

The square root of 7879545946 is about 88766.8065551533. The cubic root of 7879545946 is about 1989.9113573808.

The spelling of 7879545946 in words is "seven billion, eight hundred seventy-nine million, five hundred forty-five thousand, nine hundred forty-six".