47778038 has 96 divisors (see below), whose sum is σ = 99283968. Its totient is φ = 17001600.

The previous prime is 47778019. The next prime is 47778043. The reversal of 47778038 is 83087774.

47778038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47778038.

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 47 ways as a sum of consecutive naturals, for example, 1016531 + ... + 1016577.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^47778038 is an apocalyptic number.

47778038 is an abundant number, since it is smaller than the sum of its proper divisors (51505930).

47778038 is a wasteful number, since it uses less digits than its factorization.

47778038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 47778038 is about 6912.1659412951. The cubic root of 47778038 is about 362.8630699279.

The spelling of 47778038 in words is "forty-seven million, seven hundred seventy-eight thousand, thirty-eight".