6127878957 has 8 divisors (see below), whose sum is σ = 8245464480. Its totient is φ = 4047773040.

The previous prime is 6127878949. The next prime is 6127878989. The reversal of 6127878957 is 7598787216.

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

It is not a de Polignac number, because 6127878957 - 2³ = 6127878949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6127878957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6127878457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9369519 + ... + 9370172.

It is an arithmetic number, because the mean of its divisors is an integer number (1030683060).

Almost surely, 2^6127878957 is an apocalyptic number.

It is an amenable number.

6127878957 is a deficient number, since it is larger than the sum of its proper divisors (2117585523).

6127878957 is a wasteful number, since it uses less digits than its factorization.

6127878957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18739803.

The product of its digits is 11854080, while the sum is 60.

The square root of 6127878957 is about 78280.7700332591. The cubic root of 6127878957 is about 1829.9394763345.

The spelling of 6127878957 in words is "six billion, one hundred twenty-seven million, eight hundred seventy-eight thousand, nine hundred fifty-seven".