47285157888 has 240 divisors, whose sum is σ = 141291304000. Its totient is φ = 15627976704.

The previous prime is 47285157811. The next prime is 47285157889. The reversal of 47285157888 is 88875158274.

47285157888 is a `hidden beast` number, since 4 + 7 + 2 + 8 + 51 + 578 + 8 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (47285157889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61488768 + ... + 61489536.

Almost surely, 2^47285157888 is an apocalyptic number.

47285157888 is a gapful number since it is divisible by the number (48) 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 47285157888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70645652000).

47285157888 is an abundant number, since it is smaller than the sum of its proper divisors (94006146112).

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

47285157888 is an equidigital number, since it uses as much as digits as its factorization.

47285157888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 913 counting only the distinct ones).

The product of its digits is 40140800, while the sum is 63.

The spelling of 47285157888 in words is "forty-seven billion, two hundred eighty-five million, one hundred fifty-seven thousand, eight hundred eighty-eight".