47666311 has 16 divisors (see below), whose sum is σ = 59666688. Its totient is φ = 36993600.

The previous prime is 47666261. The next prime is 47666329. The reversal of 47666311 is 11366674.

It is not a de Polignac number, because 47666311 - 2¹³ = 47658119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47666911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20536 + ... + 22738.

It is an arithmetic number, because the mean of its divisors is an integer number (3729168).

Almost surely, 2^47666311 is an apocalyptic number.

47666311 is a deficient number, since it is larger than the sum of its proper divisors (12000377).

47666311 is a wasteful number, since it uses less digits than its factorization.

47666311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its digits is 18144, while the sum is 34.

The square root of 47666311 is about 6904.0793013986. The cubic root of 47666311 is about 362.5800023187.

It can be divided in two parts, 476663 and 11, that added together give a palindrome (476674).

The spelling of 47666311 in words is "forty-seven million, six hundred sixty-six thousand, three hundred eleven".