47879985 has 8 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 25535984.

The previous prime is 47879983. The next prime is 47879987. The reversal of 47879985 is 58997874.

It is an interprime number because it is at equal distance from previous prime (47879983) and next prime (47879987).

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

It is a cyclic number.

It is not a de Polignac number, because 47879985 - 2¹ = 47879983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47879983) 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, 1595985 + ... + 1596014.

It is an arithmetic number, because the mean of its divisors is an integer number (9576000).

Almost surely, 2^47879985 is an apocalyptic number.

It is an amenable number.

47879985 is a deficient number, since it is larger than the sum of its proper divisors (28728015).

47879985 is a wasteful number, since it uses less digits than its factorization.

47879985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192007.

The product of its digits is 5080320, while the sum is 57.

The square root of 47879985 is about 6919.5364729149. The cubic root of 47879985 is about 363.1209744854.

The spelling of 47879985 in words is "forty-seven million, eight hundred seventy-nine thousand, nine hundred eighty-five".