47891567 has 8 divisors (see below), whose sum is σ = 51946272. Its totient is φ = 43974400.

The previous prime is 47891549. The next prime is 47891593. The reversal of 47891567 is 76519874.

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 47891567 - 2¹² = 47887471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47897567) 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, 33659 + ... + 35052.

It is an arithmetic number, because the mean of its divisors is an integer number (6493284).

Almost surely, 2^47891567 is an apocalyptic number.

47891567 is a deficient number, since it is larger than the sum of its proper divisors (4054705).

47891567 is a wasteful number, since it uses less digits than its factorization.

47891567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68769.

The product of its digits is 423360, while the sum is 47.

The square root of 47891567 is about 6920.3733280799. The cubic root of 47891567 is about 363.1502513538.

The spelling of 47891567 in words is "forty-seven million, eight hundred ninety-one thousand, five hundred sixty-seven".