48687979 has 2 divisors, whose sum is σ = 48687980. Its totient is φ = 48687978.

The previous prime is 48687931. The next prime is 48688021. The reversal of 48687979 is 97978684.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48687979 - 2⁷ = 48687851 is a prime.

It is not a weakly prime, because it can be changed into another prime (48687479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24343989 + 24343990.

It is an arithmetic number, because the mean of its divisors is an integer number (24343990).

Almost surely, 2^48687979 is an apocalyptic number.

48687979 is a deficient number, since it is larger than the sum of its proper divisors (1).

48687979 is an equidigital number, since it uses as much as digits as its factorization.

48687979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The square root of 48687979 is about 6977.6771923040. The cubic root of 48687979 is about 365.1521952400.

The spelling of 48687979 in words is "forty-eight million, six hundred eighty-seven thousand, nine hundred seventy-nine".