47877859 has 2 divisors, whose sum is σ = 47877860. Its totient is φ = 47877858.

The previous prime is 47877847. The next prime is 47877887. The reversal of 47877859 is 95877874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47877859 - 2¹⁹ = 47353571 is a prime.

It is not a weakly prime, because it can be changed into another prime (47877829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23938929 + 23938930.

It is an arithmetic number, because the mean of its divisors is an integer number (23938930).

Almost surely, 2^47877859 is an apocalyptic number.

47877859 is a deficient number, since it is larger than the sum of its proper divisors (1).

47877859 is an equidigital number, since it uses as much as digits as its factorization.

47877859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3951360, while the sum is 55.

The square root of 47877859 is about 6919.3828482026. The cubic root of 47877859 is about 363.1155998902.

The spelling of 47877859 in words is "forty-seven million, eight hundred seventy-seven thousand, eight hundred fifty-nine".