127645400777232 has 160 divisors (see below), whose sum is σ = 376193577820032. Its totient is φ = 36946667446272.

The previous prime is 127645400777207. The next prime is 127645400777311. The reversal of 127645400777232 is 232777004546721.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18171423 + ... + 24196929.

Almost surely, 2^{127645400777232} is an apocalyptic number.

127645400777232 is a gapful number since it is divisible by the number (12) 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 127645400777232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188096788910016).

127645400777232 is an abundant number, since it is smaller than the sum of its proper divisors (248548177042800).

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

127645400777232 is a wasteful number, since it uses less digits than its factorization.

127645400777232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027545 (or 6027539 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 57.

The spelling of 127645400777232 in words is "one hundred twenty-seven trillion, six hundred forty-five billion, four hundred million, seven hundred seventy-seven thousand, two hundred thirty-two".