127247871894 has 64 divisors (see below), whose sum is σ = 299512781568. Its totient is φ = 35531337600.

The previous prime is 127247871889. The next prime is 127247871911. The reversal of 127247871894 is 498178742721.

It is a congruent number.

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, 360052 + ... + 619784.

It is an arithmetic number, because the mean of its divisors is an integer number (4679887212).

Almost surely, 2^127247871894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127247871894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149756390784).

127247871894 is an abundant number, since it is smaller than the sum of its proper divisors (172264909674).

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

127247871894 is a wasteful number, since it uses less digits than its factorization.

127247871894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260333.

The product of its digits is 12644352, while the sum is 60.

The spelling of 127247871894 in words is "one hundred twenty-seven billion, two hundred forty-seven million, eight hundred seventy-one thousand, eight hundred ninety-four".