4977979 has 2 divisors, whose sum is σ = 4977980. Its totient is φ = 4977978.

The previous prime is 4977977. The next prime is 4978003. The reversal of 4977979 is 9797794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4977979 - 2¹ = 4977977 is a prime.

Together with 4977977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4977971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488989 + 2488990.

It is an arithmetic number, because the mean of its divisors is an integer number (2488990).

Almost surely, 2^4977979 is an apocalyptic number.

4977979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4977979 is an equidigital number, since it uses as much as digits as its factorization.

4977979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 52.

The square root of 4977979 is about 2231.1384986146. The cubic root of 4977979 is about 170.7461893571.

The spelling of 4977979 in words is "four million, nine hundred seventy-seven thousand, nine hundred seventy-nine".