47457859 has 2 divisors, whose sum is σ = 47457860. Its totient is φ = 47457858.

The previous prime is 47457821. The next prime is 47457899. The reversal of 47457859 is 95875474.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47457859 is a prime.

It is not a weakly prime, because it can be changed into another prime (47457899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23728929 + 23728930.

It is an arithmetic number, because the mean of its divisors is an integer number (23728930).

Almost surely, 2^47457859 is an apocalyptic number.

47457859 is a deficient number, since it is larger than the sum of its proper divisors (1).

47457859 is an equidigital number, since it uses as much as digits as its factorization.

47457859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 49.

The square root of 47457859 is about 6888.9664682012. The cubic root of 47457859 is about 362.0506908858.

The spelling of 47457859 in words is "forty-seven million, four hundred fifty-seven thousand, eight hundred fifty-nine".