47122869 has 8 divisors (see below), whose sum is σ = 66137440. Its totient is φ = 29761776.

The previous prime is 47122849. The next prime is 47122871. The reversal of 47122869 is 96822174.

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

It is not a de Polignac number, because 47122869 - 2⁹ = 47122357 is a prime.

It is a super-2 number, since 2×47122869² = 4441129565582322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47122849) 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, 413302 + ... + 413415.

It is an arithmetic number, because the mean of its divisors is an integer number (8267180).

Almost surely, 2^47122869 is an apocalyptic number.

It is an amenable number.

47122869 is a deficient number, since it is larger than the sum of its proper divisors (19014571).

47122869 is a wasteful number, since it uses less digits than its factorization.

47122869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826739.

The product of its digits is 48384, while the sum is 39.

The square root of 47122869 is about 6864.6098942329. The cubic root of 47122869 is about 361.1968115719.

The spelling of 47122869 in words is "forty-seven million, one hundred twenty-two thousand, eight hundred sixty-nine".