48879979 has 2 divisors, whose sum is σ = 48879980. Its totient is φ = 48879978.

The previous prime is 48879977. The next prime is 48879983. The reversal of 48879979 is 97997884.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48879979 - 2¹ = 48879977 is a prime.

Together with 48879977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (48879973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24439989 + 24439990.

It is an arithmetic number, because the mean of its divisors is an integer number (24439990).

Almost surely, 2^48879979 is an apocalyptic number.

48879979 is a deficient number, since it is larger than the sum of its proper divisors (1).

48879979 is an equidigital number, since it uses as much as digits as its factorization.

48879979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 61.

The square root of 48879979 is about 6991.4218153391. The cubic root of 48879979 is about 365.6315556231.

The spelling of 48879979 in words is "forty-eight million, eight hundred seventy-nine thousand, nine hundred seventy-nine".