47326857 has 16 divisors (see below), whose sum is σ = 64375872. Its totient is φ = 30919680.

The previous prime is 47326693. The next prime is 47326913. The reversal of 47326857 is 75862374.

It is not a de Polignac number, because 47326857 - 2¹⁰ = 47325833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47326457) 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 in 15 ways as a sum of consecutive naturals, for example, 47953 + ... + 48929.

It is an arithmetic number, because the mean of its divisors is an integer number (4023492).

Almost surely, 2^47326857 is an apocalyptic number.

It is an amenable number.

47326857 is a deficient number, since it is larger than the sum of its proper divisors (17049015).

47326857 is a wasteful number, since it uses less digits than its factorization.

47326857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its digits is 282240, while the sum is 42.

The square root of 47326857 is about 6879.4517950197. The cubic root of 47326857 is about 361.7172506944.

The spelling of 47326857 in words is "forty-seven million, three hundred twenty-six thousand, eight hundred fifty-seven".