4979878723 has 2 divisors, whose sum is σ = 4979878724. Its totient is φ = 4979878722.

The previous prime is 4979878721. The next prime is 4979878769. The reversal of 4979878723 is 3278789794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4979878723 - 2¹ = 4979878721 is a prime.

It is a super-2 number, since 2×4979878723² = 49598384191576221458, which contains 22 as substring.

Together with 4979878721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4979878721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489939361 + 2489939362.

It is an arithmetic number, because the mean of its divisors is an integer number (2489939362).

Almost surely, 2^4979878723 is an apocalyptic number.

4979878723 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979878723 is an equidigital number, since it uses as much as digits as its factorization.

4979878723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 64.

The square root of 4979878723 is about 70568.2557741085. The cubic root of 4979878723 is about 1707.6790695300.

The spelling of 4979878723 in words is "four billion, nine hundred seventy-nine million, eight hundred seventy-eight thousand, seven hundred twenty-three".