47777752 has 64 divisors (see below), whose sum is σ = 104781600. Its totient is φ = 20183040.

The previous prime is 47777749. The next prime is 47777783. The reversal of 47777752 is 25777774.

47777752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162918 + ... + 163210.

Almost surely, 2^47777752 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 47777752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52390800).

47777752 is an abundant number, since it is smaller than the sum of its proper divisors (57003848).

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

47777752 is a wasteful number, since it uses less digits than its factorization.

47777752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 432 counting only the distinct ones).

The product of its digits is 672280, while the sum is 46.

The square root of 47777752 is about 6912.1452531034. The cubic root of 47777752 is about 362.8623458920.

The spelling of 47777752 in words is "forty-seven million, seven hundred seventy-seven thousand, seven hundred fifty-two".