47818963 has 4 divisors (see below), whose sum is σ = 48312040. Its totient is φ = 47325888.

The previous prime is 47818961. The next prime is 47818987. The reversal of 47818963 is 36981874.

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 47818963 - 2¹ = 47818961 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47818961) 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, 246393 + ... + 246586.

It is an arithmetic number, because the mean of its divisors is an integer number (12078010).

Almost surely, 2^47818963 is an apocalyptic number.

47818963 is a deficient number, since it is larger than the sum of its proper divisors (493077).

47818963 is an equidigital number, since it uses as much as digits as its factorization.

47818963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493076.

The product of its digits is 290304, while the sum is 46.

The square root of 47818963 is about 6915.1256676940. The cubic root of 47818963 is about 362.9666456413.

The spelling of 47818963 in words is "forty-seven million, eight hundred eighteen thousand, nine hundred sixty-three".