47997252851 has 4 divisors (see below), whose sum is σ = 47997737832. Its totient is φ = 47996767872.

The previous prime is 47997252841. The next prime is 47997252859. The reversal of 47997252851 is 15825279974.

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 47997252851 - 2¹⁸ = 47996990707 is a prime.

It is a super-3 number, since 3×47997252851³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47997252859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34670 + ... + 311763.

It is an arithmetic number, because the mean of its divisors is an integer number (11999434458).

Almost surely, 2^47997252851 is an apocalyptic number.

47997252851 is a deficient number, since it is larger than the sum of its proper divisors (484981).

47997252851 is a wasteful number, since it uses less digits than its factorization.

47997252851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484980.

The product of its digits is 12700800, while the sum is 59.

The spelling of 47997252851 in words is "forty-seven billion, nine hundred ninety-seven million, two hundred fifty-two thousand, eight hundred fifty-one".