47851667 has 4 divisors (see below), whose sum is σ = 47875296. Its totient is φ = 47828040.

The previous prime is 47851613. The next prime is 47851673. The reversal of 47851667 is 76615874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47851667 - 2¹⁰ = 47850643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47853667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8459 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (11968824).

Almost surely, 2^47851667 is an apocalyptic number.

47851667 is a deficient number, since it is larger than the sum of its proper divisors (23629).

47851667 is a wasteful number, since it uses less digits than its factorization.

47851667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23628.

The product of its digits is 282240, while the sum is 44.

The square root of 47851667 is about 6917.4899349403. The cubic root of 47851667 is about 363.0493726275.

The spelling of 47851667 in words is "forty-seven million, eight hundred fifty-one thousand, six hundred sixty-seven".