47637957780 has 216 divisors, whose sum is σ = 168549282720. Its totient is φ = 10859184000.

The previous prime is 47637957751. The next prime is 47637957791. The reversal of 47637957780 is 8775973674.

47637957780 is a `hidden beast` number, since 476 + 3 + 7 + 95 + 7 + 78 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3335655 + ... + 3349905.

Almost surely, 2^47637957780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47637957780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84274641360).

47637957780 is an abundant number, since it is smaller than the sum of its proper divisors (120911324940).

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

47637957780 is a wasteful number, since it uses less digits than its factorization.

47637957780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14659 (or 14647 counting only the distinct ones).

The product of its (nonzero) digits is 62233920, while the sum is 63.

The spelling of 47637957780 in words is "forty-seven billion, six hundred thirty-seven million, nine hundred fifty-seven thousand, seven hundred eighty".