48217979 has 2 divisors, whose sum is σ = 48217980. Its totient is φ = 48217978.

The previous prime is 48217951. The next prime is 48217987. The reversal of 48217979 is 97971284.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48217979 - 2¹² = 48213883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (48217579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24108989 + 24108990.

It is an arithmetic number, because the mean of its divisors is an integer number (24108990).

Almost surely, 2^48217979 is an apocalyptic number.

48217979 is a deficient number, since it is larger than the sum of its proper divisors (1).

48217979 is an equidigital number, since it uses as much as digits as its factorization.

48217979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 48217979 is about 6943.9166901685. The cubic root of 48217979 is about 363.9734186402.

The spelling of 48217979 in words is "forty-eight million, two hundred seventeen thousand, nine hundred seventy-nine".