47847806 has 4 divisors (see below), whose sum is σ = 71771712. Its totient is φ = 23923902.

The previous prime is 47847803. The next prime is 47847847. The reversal of 47847806 is 60874874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60874874 = 2 ⋅30437437.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47847803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961950 + ... + 11961953.

It is an arithmetic number, because the mean of its divisors is an integer number (17942928).

Almost surely, 2^47847806 is an apocalyptic number.

47847806 is a deficient number, since it is larger than the sum of its proper divisors (23923906).

47847806 is a wasteful number, since it uses less digits than its factorization.

47847806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923905.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 47847806 is about 6917.2108540943. The cubic root of 47847806 is about 363.0396079288.

It can be divided in two parts, 478 and 47806, that added together give a palindrome (48284).

The spelling of 47847806 in words is "forty-seven million, eight hundred forty-seven thousand, eight hundred six".