47933987 has 2 divisors, whose sum is σ = 47933988. Its totient is φ = 47933986.

The previous prime is 47933959. The next prime is 47934023. The reversal of 47933987 is 78933974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47933987 - 2⁶ = 47933923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47933947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23966993 + 23966994.

It is an arithmetic number, because the mean of its divisors is an integer number (23966994).

Almost surely, 2^47933987 is an apocalyptic number.

47933987 is a deficient number, since it is larger than the sum of its proper divisors (1).

47933987 is an equidigital number, since it uses as much as digits as its factorization.

47933987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 47933987 is about 6923.4375132589. The cubic root of 47933987 is about 363.2574399368.

The spelling of 47933987 in words is "forty-seven million, nine hundred thirty-three thousand, nine hundred eighty-seven".