127404378774 has 96 divisors (see below), whose sum is σ = 294334391520. Its totient is φ = 39689819136.

The previous prime is 127404378749. The next prime is 127404378779. The reversal of 127404378774 is 477873404721.

127404378774 is a `hidden beast` number, since 1 + 27 + 40 + 437 + 87 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 127404378774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127404378779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54608512 + ... + 54610844.

It is an arithmetic number, because the mean of its divisors is an integer number (3065983245).

Almost surely, 2^127404378774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127404378774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147167195760).

127404378774 is an abundant number, since it is smaller than the sum of its proper divisors (166930012746).

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

127404378774 is a wasteful number, since it uses less digits than its factorization.

127404378774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 7375872, while the sum is 54.

The spelling of 127404378774 in words is "one hundred twenty-seven billion, four hundred four million, three hundred seventy-eight thousand, seven hundred seventy-four".