47758578 has 16 divisors (see below), whose sum is σ = 109162560. Its totient is φ = 13645296.

The previous prime is 47758561. The next prime is 47758589. The reversal of 47758578 is 87585774.

It is a self number, because there is not a number n which added to its sum of digits gives 47758578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568513 + ... + 568596.

It is an arithmetic number, because the mean of its divisors is an integer number (6822660).

Almost surely, 2^47758578 is an apocalyptic number.

47758578 is an abundant number, since it is smaller than the sum of its proper divisors (61403982).

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

47758578 is a wasteful number, since it uses less digits than its factorization.

47758578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137121.

The product of its digits is 2195200, while the sum is 51.

The square root of 47758578 is about 6910.7581349661. The cubic root of 47758578 is about 362.8137985154.

The spelling of 47758578 in words is "forty-seven million, seven hundred fifty-eight thousand, five hundred seventy-eight".