48389779 has 2 divisors, whose sum is σ = 48389780. Its totient is φ = 48389778.

The previous prime is 48389771. The next prime is 48389797. The reversal of 48389779 is 97798384.

Together with next prime (48389797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48389779 - 2³ = 48389771 is a prime.

It is not a weakly prime, because it can be changed into another prime (48389771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24194889 + 24194890.

It is an arithmetic number, because the mean of its divisors is an integer number (24194890).

Almost surely, 2^48389779 is an apocalyptic number.

48389779 is a deficient number, since it is larger than the sum of its proper divisors (1).

48389779 is an equidigital number, since it uses as much as digits as its factorization.

48389779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 55.

The square root of 48389779 is about 6956.2762308580. The cubic root of 48389779 is about 364.4051836927.

The spelling of 48389779 in words is "forty-eight million, three hundred eighty-nine thousand, seven hundred seventy-nine".