177230138988 has 144 divisors (see below), whose sum is σ = 507999649920. Its totient is φ = 47817858816.

The previous prime is 177230138971. The next prime is 177230139013. The reversal of 177230138988 is 889831032771.

177230138988 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3471495 + ... + 3522177.

Almost surely, 2^177230138988 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 177230138988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253999824960).

177230138988 is an abundant number, since it is smaller than the sum of its proper divisors (330769510932).

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

177230138988 is a wasteful number, since it uses less digits than its factorization.

177230138988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51036 (or 51027 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 177230138988 in words is "one hundred seventy-seven billion, two hundred thirty million, one hundred thirty-eight thousand, nine hundred eighty-eight".