4979878794 has 24 divisors (see below), whose sum is σ = 11770623072. Its totient is φ = 1509054120.

The previous prime is 4979878789. The next prime is 4979878847. The reversal of 4979878794 is 4978789794.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12575254 + ... + 12575649.

It is an arithmetic number, because the mean of its divisors is an integer number (490442628).

Almost surely, 2^4979878794 is an apocalyptic number.

4979878794 is an abundant number, since it is smaller than the sum of its proper divisors (6790744278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4979878794 is a wasteful number, since it uses less digits than its factorization.

4979878794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25150922 (or 25150919 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 72.

The square root of 4979878794 is about 70568.2562771676. The cubic root of 4979878794 is about 1707.6790776456.

The spelling of 4979878794 in words is "four billion, nine hundred seventy-nine million, eight hundred seventy-eight thousand, seven hundred ninety-four".