47999859 has 4 divisors (see below), whose sum is σ = 63999816. Its totient is φ = 31999904.

The previous prime is 47999839. The next prime is 47999869. The reversal of 47999859 is 95899974.

It is a happy number.

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 47999859 - 2⁸ = 47999603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47999839) 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, 7999974 + ... + 7999979.

It is an arithmetic number, because the mean of its divisors is an integer number (15999954).

Almost surely, 2^47999859 is an apocalyptic number.

47999859 is a deficient number, since it is larger than the sum of its proper divisors (15999957).

47999859 is a wasteful number, since it uses less digits than its factorization.

47999859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15999956.

The product of its digits is 7348320, while the sum is 60.

The square root of 47999859 is about 6928.1930544695. The cubic root of 47999859 is about 363.4237627133.

The spelling of 47999859 in words is "forty-seven million, nine hundred ninety-nine thousand, eight hundred fifty-nine".