47816969 has 8 divisors (see below), whose sum is σ = 49680000. Its totient is φ = 45968272.

The previous prime is 47816957. The next prime is 47816981. The reversal of 47816969 is 96961874.

It is an interprime number because it is at equal distance from previous prime (47816957) and next prime (47816981).

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

It is a cyclic number.

It is not a de Polignac number, because 47816969 - 2⁴ = 47816953 is a prime.

It is a super-2 number, since 2×47816969² = 4572925048693922, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47816999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3482 + ... + 10380.

It is an arithmetic number, because the mean of its divisors is an integer number (6210000).

Almost surely, 2^47816969 is an apocalyptic number.

It is an amenable number.

47816969 is a deficient number, since it is larger than the sum of its proper divisors (1863031).

47816969 is a wasteful number, since it uses less digits than its factorization.

47816969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167.

The product of its digits is 653184, while the sum is 50.

The square root of 47816969 is about 6914.9814894908. The cubic root of 47816969 is about 362.9616004632.

The spelling of 47816969 in words is "forty-seven million, eight hundred sixteen thousand, nine hundred sixty-nine".