47861954791 has 24 divisors (see below), whose sum is σ = 56776847360. Its totient is φ = 39516534720.

The previous prime is 47861954753. The next prime is 47861954813. The reversal of 47861954791 is 19745916874.

It is not a de Polignac number, because 47861954791 - 2¹⁷ = 47861823719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47861954741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 903850 + ... + 955336.

Almost surely, 2^47861954791 is an apocalyptic number.

47861954791 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47861954791 is a deficient number, since it is larger than the sum of its proper divisors (8914892569).

47861954791 is an equidigital number, since it uses as much as digits as its factorization.

47861954791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51655 (or 51614 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The spelling of 47861954791 in words is "forty-seven billion, eight hundred sixty-one million, nine hundred fifty-four thousand, seven hundred ninety-one".