47750987 has 2 divisors, whose sum is σ = 47750988. Its totient is φ = 47750986.

The previous prime is 47750981. The next prime is 47750999. The reversal of 47750987 is 78905774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47750987 - 2¹⁰ = 47749963 is a prime.

It is not a weakly prime, because it can be changed into another prime (47750981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23875493 + 23875494.

It is an arithmetic number, because the mean of its divisors is an integer number (23875494).

Almost surely, 2^47750987 is an apocalyptic number.

47750987 is a deficient number, since it is larger than the sum of its proper divisors (1).

47750987 is an equidigital number, since it uses as much as digits as its factorization.

47750987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 47750987 is about 6910.2088969871. The cubic root of 47750987 is about 362.7945749847.

The spelling of 47750987 in words is "forty-seven million, seven hundred fifty thousand, nine hundred eighty-seven".