47979827 has 8 divisors (see below), whose sum is σ = 54876000. Its totient is φ = 41094144.

The previous prime is 47979823. The next prime is 47979829. The reversal of 47979827 is 72897974.

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

It is not a de Polignac number, because 47979827 - 2² = 47979823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47979821) 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, 16499 + ... + 19187.

It is an arithmetic number, because the mean of its divisors is an integer number (6859500).

Almost surely, 2^47979827 is an apocalyptic number.

47979827 is a deficient number, since it is larger than the sum of its proper divisors (6896173).

47979827 is a wasteful number, since it uses less digits than its factorization.

47979827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245.

The product of its digits is 1778112, while the sum is 53.

The square root of 47979827 is about 6926.7472164068. The cubic root of 47979827 is about 363.3731992467.

The spelling of 47979827 in words is "forty-seven million, nine hundred seventy-nine thousand, eight hundred twenty-seven".