47277134520 has 288 divisors, whose sum is σ = 181352682000. Its totient is φ = 9823672320.

The previous prime is 47277134519. The next prime is 47277134537. The reversal of 47277134520 is 2543177274.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 678256 + ... + 744704.

Almost surely, 2^47277134520 is an apocalyptic number.

47277134520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47277134520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90676341000).

47277134520 is an abundant number, since it is smaller than the sum of its proper divisors (134075547480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47277134520 is a wasteful number, since it uses less digits than its factorization.

47277134520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66499 (or 66477 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 47277134520 in words is "forty-seven billion, two hundred seventy-seven million, one hundred thirty-four thousand, five hundred twenty".