127785011432 has 48 divisors (see below), whose sum is σ = 259500178080. Its totient is φ = 58965192000.

The previous prime is 127785011407. The next prime is 127785011491. The reversal of 127785011432 is 234110587721.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 127785011432.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10256807 + ... + 10269257.

It is an arithmetic number, because the mean of its divisors is an integer number (5406253710).

Almost surely, 2^127785011432 is an apocalyptic number.

It is an amenable number.

127785011432 is an abundant number, since it is smaller than the sum of its proper divisors (131715166648).

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

127785011432 is a wasteful number, since it uses less digits than its factorization.

127785011432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074 (or 20057 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 127785011432 in words is "one hundred twenty-seven billion, seven hundred eighty-five million, eleven thousand, four hundred thirty-two".