47051198771 has 4 divisors (see below), whose sum is σ = 47051656344. Its totient is φ = 47050741200.

The previous prime is 47051198627. The next prime is 47051198801. The reversal of 47051198771 is 17789115074.

47051198771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47051198771 - 2²⁶ = 46984089907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47051198071) 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, 5276 + ... + 306806.

It is an arithmetic number, because the mean of its divisors is an integer number (11762914086).

Almost surely, 2^47051198771 is an apocalyptic number.

47051198771 is a deficient number, since it is larger than the sum of its proper divisors (457573).

47051198771 is a wasteful number, since it uses less digits than its factorization.

47051198771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457572.

The product of its (nonzero) digits is 493920, while the sum is 50.

The spelling of 47051198771 in words is "forty-seven billion, fifty-one million, one hundred ninety-eight thousand, seven hundred seventy-one".