4879688986 has 8 divisors (see below), whose sum is σ = 7328583540. Its totient is φ = 2436827808.

The previous prime is 4879688981. The next prime is 4879688999. The reversal of 4879688986 is 6898869784.

It can be written as a sum of positive squares in 2 ways, for example, as 4624680025 + 255008961 = 68005^2 + 15969^2 .

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

It is a super-2 number, since 2×4879688986² = 47622729200179416392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4879688981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506321 + ... + 1509556.

Almost surely, 2^4879688986 is an apocalyptic number.

4879688986 is a deficient number, since it is larger than the sum of its proper divisors (2448894554).

4879688986 is a wasteful number, since it uses less digits than its factorization.

4879688986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016688.

The product of its digits is 334430208, while the sum is 73.

The square root of 4879688986 is about 69854.7706745932. The cubic root of 4879688986 is about 1696.1491829601.

The spelling of 4879688986 in words is "four billion, eight hundred seventy-nine million, six hundred eighty-eight thousand, nine hundred eighty-six".