47779574112 has 96 divisors (see below), whose sum is σ = 139512360960. Its totient is φ = 15908780160.

The previous prime is 47779574047. The next prime is 47779574137. The reversal of 47779574112 is 21147597774.

47779574112 is a `hidden beast` number, since 477 + 7 + 9 + 57 + 4 + 112 = 666.

47779574112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756753 + ... + 817455.

It is an arithmetic number, because the mean of its divisors is an integer number (1453253760).

Almost surely, 2^47779574112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47779574112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69756180480).

47779574112 is an abundant number, since it is smaller than the sum of its proper divisors (91732786848).

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

47779574112 is a wasteful number, since it uses less digits than its factorization.

47779574112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61633 (or 61619 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 54.

The spelling of 47779574112 in words is "forty-seven billion, seven hundred seventy-nine million, five hundred seventy-four thousand, one hundred twelve".