48847951791 has 24 divisors (see below), whose sum is σ = 71824237056. Its totient is φ = 31984446480.

The previous prime is 48847951771. The next prime is 48847951843. The reversal of 48847951791 is 19715974884.

48847951791 is a `hidden beast` number, since 48 + 8 + 4 + 79 + 517 + 9 + 1 = 666.

It is not a de Polignac number, because 48847951791 - 2⁹ = 48847951279 is a prime.

It is a super-2 number, since 2×48847951791² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48847951721) 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, 22726 + ... + 313388.

It is an arithmetic number, because the mean of its divisors is an integer number (2992676544).

Almost surely, 2^48847951791 is an apocalyptic number.

48847951791 is a deficient number, since it is larger than the sum of its proper divisors (22976285265).

48847951791 is a wasteful number, since it uses less digits than its factorization.

48847951791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291003 (or 291000 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 63.

The spelling of 48847951791 in words is "forty-eight billion, eight hundred forty-seven million, nine hundred fifty-one thousand, seven hundred ninety-one".