47978554288 has 160 divisors (see below), whose sum is σ = 110952898560. Its totient is φ = 19674869760.

The previous prime is 47978554223. The next prime is 47978554301. The reversal of 47978554288 is 88245587974.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46991218 + ... + 46992238.

It is an arithmetic number, because the mean of its divisors is an integer number (693455616).

Almost surely, 2^47978554288 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 47978554288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55476449280).

47978554288 is an abundant number, since it is smaller than the sum of its proper divisors (62974344272).

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

47978554288 is a wasteful number, since it uses less digits than its factorization.

47978554288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1269 counting only the distinct ones).

The product of its digits is 180633600, while the sum is 67.

The spelling of 47978554288 in words is "forty-seven billion, nine hundred seventy-eight million, five hundred fifty-four thousand, two hundred eighty-eight".