47797812 has 36 divisors (see below), whose sum is σ = 127931076. Its totient is φ = 14995200.

The previous prime is 47797807. The next prime is 47797823. The reversal of 47797812 is 21879774.

It is a happy number.

47797812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39012516 + 8785296 = 6246^2 + 2964^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 38439 + ... + 39662.

It is an arithmetic number, because the mean of its divisors is an integer number (3553641).

Almost surely, 2^47797812 is an apocalyptic number.

It is an amenable number.

47797812 is an abundant number, since it is smaller than the sum of its proper divisors (80133264).

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

47797812 is a wasteful number, since it uses less digits than its factorization.

47797812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78128 (or 78123 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 47797812 is about 6913.5961698670. The cubic root of 47797812 is about 362.9131226648.

It can be divided in two parts, 477 and 97812, that added together give a palindrome (98289).

The spelling of 47797812 in words is "forty-seven million, seven hundred ninety-seven thousand, eight hundred twelve".