48947987887 has 2 divisors, whose sum is σ = 48947987888. Its totient is φ = 48947987886.

The previous prime is 48947987863. The next prime is 48947987899. The reversal of 48947987887 is 78878974984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48947987887 - 2¹⁹ = 48947463599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48947987287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24473993943 + 24473993944.

It is an arithmetic number, because the mean of its divisors is an integer number (24473993944).

Almost surely, 2^48947987887 is an apocalyptic number.

48947987887 is a deficient number, since it is larger than the sum of its proper divisors (1).

48947987887 is an equidigital number, since it uses as much as digits as its factorization.

48947987887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1820786688, while the sum is 79.

The spelling of 48947987887 in words is "forty-eight billion, nine hundred forty-seven million, nine hundred eighty-seven thousand, eight hundred eighty-seven".