127878047 has 8 divisors (see below), whose sum is σ = 139594752. Its totient is φ = 116176600.

The previous prime is 127878043. The next prime is 127878053. The reversal of 127878047 is 740878721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127878047 - 2² = 127878043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127877989 and 127878007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127878041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20468 + ... + 25974.

It is an arithmetic number, because the mean of its divisors is an integer number (17449344).

Almost surely, 2^127878047 is an apocalyptic number.

127878047 is a deficient number, since it is larger than the sum of its proper divisors (11716705).

127878047 is a wasteful number, since it uses less digits than its factorization.

127878047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629.

The product of its (nonzero) digits is 175616, while the sum is 44.

The square root of 127878047 is about 11308.3176025437. The cubic root of 127878047 is about 503.8083158172.

The spelling of 127878047 in words is "one hundred twenty-seven million, eight hundred seventy-eight thousand, forty-seven".