47966331 has 16 divisors (see below), whose sum is σ = 75450368. Its totient is φ = 26524800.

The previous prime is 47966323. The next prime is 47966341. The reversal of 47966331 is 13366974.

It is not a de Polignac number, because 47966331 - 2³ = 47966323 is a prime.

It is a super-2 number, since 2×47966331² = 4601537819203122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47966331.

It is not an unprimeable number, because it can be changed into a prime (47966341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36190 + ... + 37491.

It is an arithmetic number, because the mean of its divisors is an integer number (4715648).

Almost surely, 2^47966331 is an apocalyptic number.

47966331 is a deficient number, since it is larger than the sum of its proper divisors (27484037).

47966331 is a wasteful number, since it uses less digits than its factorization.

47966331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73722.

The product of its digits is 81648, while the sum is 39.

The square root of 47966331 is about 6925.7729532522. The cubic root of 47966331 is about 363.3391255892.

The spelling of 47966331 in words is "forty-seven million, nine hundred sixty-six thousand, three hundred thirty-one".