47921827 has 8 divisors (see below), whose sum is σ = 51084000. Its totient is φ = 44797824.

The previous prime is 47921807. The next prime is 47921843. The reversal of 47921827 is 72812974.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47921827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47921827.

It is not an unprimeable number, because it can be changed into a prime (47921807) 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, 6927 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (6385500).

Almost surely, 2^47921827 is an apocalyptic number.

47921827 is a deficient number, since it is larger than the sum of its proper divisors (3162173).

47921827 is a wasteful number, since it uses less digits than its factorization.

47921827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19085.

The product of its digits is 56448, while the sum is 40.

The square root of 47921827 is about 6922.5592810752. The cubic root of 47921827 is about 363.2267200217.

The spelling of 47921827 in words is "forty-seven million, nine hundred twenty-one thousand, eight hundred twenty-seven".