47083979 has 4 divisors (see below), whose sum is σ = 47108376. Its totient is φ = 47059584.

The previous prime is 47083973. The next prime is 47084029. The reversal of 47083979 is 97938074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47083979 - 2⁴ = 47083963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47083973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9029 + ... + 13254.

It is an arithmetic number, because the mean of its divisors is an integer number (11777094).

Almost surely, 2^47083979 is an apocalyptic number.

47083979 is a deficient number, since it is larger than the sum of its proper divisors (24397).

47083979 is a wasteful number, since it uses less digits than its factorization.

47083979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24396.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 47083979 is about 6861.7766649753. The cubic root of 47083979 is about 361.0974202690.

The spelling of 47083979 in words is "forty-seven million, eighty-three thousand, nine hundred seventy-nine".