47405859 has 4 divisors (see below), whose sum is σ = 63207816. Its totient is φ = 31603904.

The previous prime is 47405849. The next prime is 47405861. The reversal of 47405859 is 95850474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47405859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47405859.

It is not an unprimeable number, because it can be changed into a prime (47405849) 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, 7900974 + ... + 7900979.

It is an arithmetic number, because the mean of its divisors is an integer number (15801954).

Almost surely, 2^47405859 is an apocalyptic number.

47405859 is a deficient number, since it is larger than the sum of its proper divisors (15801957).

47405859 is a wasteful number, since it uses less digits than its factorization.

47405859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15801956.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 47405859 is about 6885.1912827459. The cubic root of 47405859 is about 361.9184085011.

The spelling of 47405859 in words is "forty-seven million, four hundred five thousand, eight hundred fifty-nine".