47847470894 has 4 divisors (see below), whose sum is σ = 71771206344. Its totient is φ = 23923735446.

The previous prime is 47847470863. The next prime is 47847470927. The reversal of 47847470894 is 49807474874.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961867722 + ... + 11961867725.

It is an arithmetic number, because the mean of its divisors is an integer number (17942801586).

Almost surely, 2^47847470894 is an apocalyptic number.

47847470894 is a deficient number, since it is larger than the sum of its proper divisors (23923735450).

47847470894 is a wasteful number, since it uses less digits than its factorization.

47847470894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23923735449.

The product of its (nonzero) digits is 50577408, while the sum is 62.

The spelling of 47847470894 in words is "forty-seven billion, eight hundred forty-seven million, four hundred seventy thousand, eight hundred ninety-four".