47770869906 has 56 divisors (see below), whose sum is σ = 107488623564. Its totient is φ = 15915722400.

The previous prime is 47770869901. The next prime is 47770869917. The reversal of 47770869906 is 60996807774.

47770869906 is a `hidden beast` number, since 477 + 70 + 8 + 6 + 9 + 90 + 6 = 666.

47770869906 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 47770659225 + 210681 = 218565^2 + 459^2 .

It is not an unprimeable number, because it can be changed into a prime (47770869901) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3429556 + ... + 3443456.

Almost surely, 2^47770869906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47770869906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53744311782).

47770869906 is an abundant number, since it is smaller than the sum of its proper divisors (59717753658).

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

47770869906 is a wasteful number, since it uses less digits than its factorization.

47770869906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278 (or 16263 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 47770869906 in words is "forty-seven billion, seven hundred seventy million, eight hundred sixty-nine thousand, nine hundred six".