47930899 has 2 divisors, whose sum is σ = 47930900. Its totient is φ = 47930898.

The previous prime is 47930887. The next prime is 47930917. The reversal of 47930899 is 99803974.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47930899 is a prime.

It is not a weakly prime, because it can be changed into another prime (47930809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23965449 + 23965450.

It is an arithmetic number, because the mean of its divisors is an integer number (23965450).

Almost surely, 2^47930899 is an apocalyptic number.

47930899 is a deficient number, since it is larger than the sum of its proper divisors (1).

47930899 is an equidigital number, since it uses as much as digits as its factorization.

47930899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 47930899 is about 6923.2144990604. The cubic root of 47930899 is about 363.2496391874.

The spelling of 47930899 in words is "forty-seven million, nine hundred thirty thousand, eight hundred ninety-nine".