47611889 has 4 divisors (see below), whose sum is σ = 51274356. Its totient is φ = 43949424.

The previous prime is 47611873. The next prime is 47611913. The reversal of 47611889 is 98811674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8761600 + 38850289 = 2960^2 + 6233^2 .

It is a cyclic number.

It is not a de Polignac number, because 47611889 - 2⁴ = 47611873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47611829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831214 + ... + 1831239.

It is an arithmetic number, because the mean of its divisors is an integer number (12818589).

Almost surely, 2^47611889 is an apocalyptic number.

It is an amenable number.

47611889 is a deficient number, since it is larger than the sum of its proper divisors (3662467).

47611889 is a wasteful number, since it uses less digits than its factorization.

47611889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662466.

The product of its digits is 96768, while the sum is 44.

The square root of 47611889 is about 6900.1368827002. The cubic root of 47611889 is about 362.4419604264.

The spelling of 47611889 in words is "forty-seven million, six hundred eleven thousand, eight hundred eighty-nine".