47177230788 has 120 divisors (see below), whose sum is σ = 125336735832. Its totient is φ = 15471876096.

The previous prime is 47177230777. The next prime is 47177230811. The reversal of 47177230788 is 88703277174.

47177230788 is a `hidden beast` number, since 471 + 7 + 72 + 30 + 78 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10193325444 + 36983905344 = 100962^2 + 192312^2 .

It is a super-2 number, since 2×47177230788² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5432706 + ... + 5441382.

Almost surely, 2^47177230788 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 47177230788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62668367916).

47177230788 is an abundant number, since it is smaller than the sum of its proper divisors (78159505044).

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

47177230788 is a wasteful number, since it uses less digits than its factorization.

47177230788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963 (or 8952 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 54.

The spelling of 47177230788 in words is "forty-seven billion, one hundred seventy-seven million, two hundred thirty thousand, seven hundred eighty-eight".