47798889 has 16 divisors (see below), whose sum is σ = 67586880. Its totient is φ = 29963520.

The previous prime is 47798837. The next prime is 47798911. The reversal of 47798889 is 98889774.

It is not a de Polignac number, because 47798889 - 2¹² = 47794793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47798819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4749 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (4224180).

Almost surely, 2^47798889 is an apocalyptic number.

It is an amenable number.

47798889 is a deficient number, since it is larger than the sum of its proper divisors (19787991).

47798889 is a wasteful number, since it uses less digits than its factorization.

47798889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280.

The product of its digits is 8128512, while the sum is 60.

The square root of 47798889 is about 6913.6740594274. The cubic root of 47798889 is about 362.9158484136.

The spelling of 47798889 in words is "forty-seven million, seven hundred ninety-eight thousand, eight hundred eighty-nine".