47887734081 has 32 divisors (see below), whose sum is σ = 71498030976. Its totient is φ = 28264320000.

The previous prime is 47887734077. The next prime is 47887734107. The reversal of 47887734081 is 18043778874.

It is not a de Polignac number, because 47887734081 - 2² = 47887734077 is a prime.

It is a super-4 number, since 4×47887734081⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (47887734281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85545 + ... + 321081.

It is an arithmetic number, because the mean of its divisors is an integer number (2234313468).

Almost surely, 2^47887734081 is an apocalyptic number.

It is an amenable number.

47887734081 is a deficient number, since it is larger than the sum of its proper divisors (23610296895).

47887734081 is a wasteful number, since it uses less digits than its factorization.

47887734081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235713.

The product of its (nonzero) digits is 8429568, while the sum is 57.

The spelling of 47887734081 in words is "forty-seven billion, eight hundred eighty-seven million, seven hundred thirty-four thousand, eighty-one".