47791667 has 8 divisors (see below), whose sum is σ = 59584512. Its totient is φ = 37240200.

The previous prime is 47791661. The next prime is 47791673. The reversal of 47791667 is 76619774.

It is an interprime number because it is at equal distance from previous prime (47791661) and next prime (47791673).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47791667 - 2⁸ = 47791411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47791661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310259 + ... + 310412.

It is an arithmetic number, because the mean of its divisors is an integer number (7448064).

Almost surely, 2^47791667 is an apocalyptic number.

47791667 is a deficient number, since it is larger than the sum of its proper divisors (11792845).

47791667 is a wasteful number, since it uses less digits than its factorization.

47791667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620689.

The product of its digits is 444528, while the sum is 47.

The square root of 47791667 is about 6913.1517414273. The cubic root of 47791667 is about 362.8975696745.

It can be divided in two parts, 4779 and 1667, that added together give a palindrome (6446).

The spelling of 47791667 in words is "forty-seven million, seven hundred ninety-one thousand, six hundred sixty-seven".