47777241 has 4 divisors (see below), whose sum is σ = 63702992. Its totient is φ = 31851492.

The previous prime is 47777227. The next prime is 47777281. The reversal of 47777241 is 14277774.

47777241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47777241 - 2⁵ = 47777209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47777241.

It is not an unprimeable number, because it can be changed into a prime (47777281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7962871 + ... + 7962876.

It is an arithmetic number, because the mean of its divisors is an integer number (15925748).

Almost surely, 2^47777241 is an apocalyptic number.

It is an amenable number.

47777241 is a deficient number, since it is larger than the sum of its proper divisors (15925751).

47777241 is a wasteful number, since it uses less digits than its factorization.

47777241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15925750.

The product of its digits is 76832, while the sum is 39.

The square root of 47777241 is about 6912.1082890823. The cubic root of 47777241 is about 362.8610522402.

The spelling of 47777241 in words is "forty-seven million, seven hundred seventy-seven thousand, two hundred forty-one".