47806963 has 4 divisors (see below), whose sum is σ = 48021568. Its totient is φ = 47592360.

The previous prime is 47806939. The next prime is 47806999. The reversal of 47806963 is 36960874.

It is a happy number.

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 47806963 - 2¹³ = 47798771 is a prime.

It is a super-2 number, since 2×47806963² = 4571011422566738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47806663) 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 3 ways as a sum of consecutive naturals, for example, 106968 + ... + 107413.

It is an arithmetic number, because the mean of its divisors is an integer number (12005392).

Almost surely, 2^47806963 is an apocalyptic number.

47806963 is a deficient number, since it is larger than the sum of its proper divisors (214605).

47806963 is a wasteful number, since it uses less digits than its factorization.

47806963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214604.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 47806963 is about 6914.2579500623. The cubic root of 47806963 is about 362.9362813683.

The spelling of 47806963 in words is "forty-seven million, eight hundred six thousand, nine hundred sixty-three".