47930887 has 2 divisors, whose sum is σ = 47930888. Its totient is φ = 47930886.

The previous prime is 47930879. The next prime is 47930899. The reversal of 47930887 is 78803974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47930887 - 2³ = 47930879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47930807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23965443 + 23965444.

It is an arithmetic number, because the mean of its divisors is an integer number (23965444).

Almost surely, 2^47930887 is an apocalyptic number.

47930887 is a deficient number, since it is larger than the sum of its proper divisors (1).

47930887 is an equidigital number, since it uses as much as digits as its factorization.

47930887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 47930887 is about 6923.2136324109. The cubic root of 47930887 is about 363.2496088730.

The spelling of 47930887 in words is "forty-seven million, nine hundred thirty thousand, eight hundred eighty-seven".