47775345156 has 360 divisors, whose sum is σ = 159177021696. Its totient is φ = 12355701120.

The previous prime is 47775345143. The next prime is 47775345173. The reversal of 47775345156 is 65154357774.

47775345156 is a `hidden beast` number, since 4 + 7 + 7 + 7 + 534 + 51 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 119 ways as a sum of consecutive naturals, for example, 55359181 + ... + 55360043.

Almost surely, 2^47775345156 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 47775345156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79588510848).

47775345156 is an abundant number, since it is smaller than the sum of its proper divisors (111401676540).

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

47775345156 is a wasteful number, since it uses less digits than its factorization.

47775345156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1203 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 54.

The spelling of 47775345156 in words is "forty-seven billion, seven hundred seventy-five million, three hundred forty-five thousand, one hundred fifty-six".