47129889 has 8 divisors (see below), whose sum is σ = 64867072. Its totient is φ = 30406320.

The previous prime is 47129867. The next prime is 47129891. The reversal of 47129889 is 98892174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47129889 - 2⁵ = 47129857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47129809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253294 + ... + 253479.

It is an arithmetic number, because the mean of its divisors is an integer number (8108384).

Almost surely, 2^47129889 is an apocalyptic number.

It is an amenable number.

47129889 is a deficient number, since it is larger than the sum of its proper divisors (17737183).

47129889 is a wasteful number, since it uses less digits than its factorization.

47129889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506807.

The product of its digits is 290304, while the sum is 48.

The square root of 47129889 is about 6865.1211933949. The cubic root of 47129889 is about 361.2147467824.

The spelling of 47129889 in words is "forty-seven million, one hundred twenty-nine thousand, eight hundred eighty-nine".