47846979 has 6 divisors (see below), whose sum is σ = 69112316. Its totient is φ = 31897980.

The previous prime is 47846977. The next prime is 47847001. The reversal of 47846979 is 97964874.

It is a happy number.

It is not a de Polignac number, because 47846979 - 2¹ = 47846977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47846977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2658157 + ... + 2658174.

Almost surely, 2^47846979 is an apocalyptic number.

47846979 is a deficient number, since it is larger than the sum of its proper divisors (21265337).

47846979 is a wasteful number, since it uses less digits than its factorization.

47846979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316337 (or 5316334 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 47846979 is about 6917.1510754067. The cubic root of 47846979 is about 363.0375163283.

The spelling of 47846979 in words is "forty-seven million, eight hundred forty-six thousand, nine hundred seventy-nine".