47769990912 has 216 divisors, whose sum is σ = 165694488960. Its totient is φ = 12930140160.

The previous prime is 47769990911. The next prime is 47769990923. The reversal of 47769990912 is 21909996774.

47769990912 is a `hidden beast` number, since 477 + 69 + 9 + 90 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 47769990912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47769990911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228487 + ... + 384377.

Almost surely, 2^47769990912 is an apocalyptic number.

47769990912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47769990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82847244480).

47769990912 is an abundant number, since it is smaller than the sum of its proper divisors (117924498048).

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

47769990912 is a wasteful number, since it uses less digits than its factorization.

47769990912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155939 (or 155922 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 63.

The spelling of 47769990912 in words is "forty-seven billion, seven hundred sixty-nine million, nine hundred ninety thousand, nine hundred twelve".