47612789 has 8 divisors (see below), whose sum is σ = 54749760. Its totient is φ = 40559616.

The previous prime is 47612779. The next prime is 47612819. The reversal of 47612789 is 98721674.

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

It is not a de Polignac number, because 47612789 - 2⁸ = 47612533 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47612749) 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, 19724 + ... + 22005.

It is an arithmetic number, because the mean of its divisors is an integer number (6843720).

Almost surely, 2^47612789 is an apocalyptic number.

It is an amenable number.

47612789 is a deficient number, since it is larger than the sum of its proper divisors (7136971).

47612789 is a wasteful number, since it uses less digits than its factorization.

47612789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41899.

The product of its digits is 169344, while the sum is 44.

The square root of 47612789 is about 6900.2020984896. The cubic root of 47612789 is about 362.4442441397. Note that the first 3 decimals are identical.

The spelling of 47612789 in words is "forty-seven million, six hundred twelve thousand, seven hundred eighty-nine".