47977750228 has 24 divisors (see below), whose sum is σ = 84479646888. Its totient is φ = 23840818176.

The previous prime is 47977750207. The next prime is 47977750229. The reversal of 47977750228 is 82205777974.

It can be written as a sum of positive squares in 4 ways, for example, as 21456976324 + 26520773904 = 146482^2 + 162852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47977750229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948200 + ... + 1972672.

It is an arithmetic number, because the mean of its divisors is an integer number (3519985287).

Almost surely, 2^47977750228 is an apocalyptic number.

It is an amenable number.

47977750228 is a deficient number, since it is larger than the sum of its proper divisors (36501896660).

47977750228 is a wasteful number, since it uses less digits than its factorization.

47977750228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27483 (or 27481 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 58.

The spelling of 47977750228 in words is "forty-seven billion, nine hundred seventy-seven million, seven hundred fifty thousand, two hundred twenty-eight".