47029247987 has 2 divisors, whose sum is σ = 47029247988. Its totient is φ = 47029247986.

The previous prime is 47029247981. The next prime is 47029248113. The reversal of 47029247987 is 78974292074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47029247987 - 2⁴ = 47029247971 is a prime.

It is not a weakly prime, because it can be changed into another prime (47029247981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23514623993 + 23514623994.

It is an arithmetic number, because the mean of its divisors is an integer number (23514623994).

Almost surely, 2^47029247987 is an apocalyptic number.

47029247987 is a deficient number, since it is larger than the sum of its proper divisors (1).

47029247987 is an equidigital number, since it uses as much as digits as its factorization.

47029247987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 47029247987 in words is "forty-seven billion, twenty-nine million, two hundred forty-seven thousand, nine hundred eighty-seven".