48783478787 has 2 divisors, whose sum is σ = 48783478788. Its totient is φ = 48783478786.

The previous prime is 48783478753. The next prime is 48783478847. The reversal of 48783478787 is 78787438784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48783478787 - 2²² = 48779284483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48783478787.

It is not a weakly prime, because it can be changed into another prime (48783478727) 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, 24391739393 + 24391739394.

It is an arithmetic number, because the mean of its divisors is an integer number (24391739394).

Almost surely, 2^48783478787 is an apocalyptic number.

48783478787 is a deficient number, since it is larger than the sum of its proper divisors (1).

48783478787 is an equidigital number, since it uses as much as digits as its factorization.

48783478787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472055808, while the sum is 71.

The spelling of 48783478787 in words is "forty-eight billion, seven hundred eighty-three million, four hundred seventy-eight thousand, seven hundred eighty-seven".