47794879 has 16 divisors (see below), whose sum is σ = 53143200. Its totient is φ = 42979200.

The previous prime is 47794843. The next prime is 47794891. The reversal of 47794879 is 97849774.

It is not a de Polignac number, because 47794879 - 2¹⁵ = 47762111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47794379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198199 + ... + 198439.

It is an arithmetic number, because the mean of its divisors is an integer number (3321450).

Almost surely, 2^47794879 is an apocalyptic number.

47794879 is a deficient number, since it is larger than the sum of its proper divisors (5348321).

47794879 is a wasteful number, since it uses less digits than its factorization.

47794879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 401 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 55.

The square root of 47794879 is about 6913.3840483514. The cubic root of 47794879 is about 362.9056994103.

The spelling of 47794879 in words is "forty-seven million, seven hundred ninety-four thousand, eight hundred seventy-nine".