6127478280 has 448 divisors, whose sum is σ = 25780809600. Its totient is φ = 1272775680.

The previous prime is 6127478267. The next prime is 6127478299. The reversal of 6127478280 is 828747216.

6127478280 is a `hidden beast` number, since 612 + 7 + 4 + 7 + 8 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2243956 + ... + 2246684.

It is an arithmetic number, because the mean of its divisors is an integer number (57546450).

Almost surely, 2^6127478280 is an apocalyptic number.

6127478280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6127478280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12890404800).

6127478280 is an abundant number, since it is smaller than the sum of its proper divisors (19653331320).

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

6127478280 is a wasteful number, since it uses less digits than its factorization.

6127478280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 6127478280 is about 78278.2107613607. The cubic root of 6127478280 is about 1829.8995913734.

The spelling of 6127478280 in words is "six billion, one hundred twenty-seven million, four hundred seventy-eight thousand, two hundred eighty".