47491847100 has 432 divisors, whose sum is σ = 168149654400. Its totient is φ = 11580952320.

The previous prime is 47491847089. The next prime is 47491847141. The reversal of 47491847100 is 174819474.

It is a happy number.

47491847100 is a `hidden beast` number, since 474 + 91 + 84 + 7 + 10 + 0 = 666.

It is a super-3 number, since 3×47491847100³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 143 ways as a sum of consecutive naturals, for example, 13387527 + ... + 13391073.

Almost surely, 2^47491847100 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 47491847100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84074827200).

47491847100 is an abundant number, since it is smaller than the sum of its proper divisors (120657807300).

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

47491847100 is a wasteful number, since it uses less digits than its factorization.

47491847100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 47491847100 in words is "forty-seven billion, four hundred ninety-one million, eight hundred forty-seven thousand, one hundred".