6177678780 has 384 divisors, whose sum is σ = 21965045760. Its totient is φ = 1262822400.

The previous prime is 6177678761. The next prime is 6177678797. The reversal of 6177678780 is 878767716.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6177678780.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 40911705 + ... + 40911855.

It is an arithmetic number, because the mean of its divisors is an integer number (57200640).

Almost surely, 2^6177678780 is an apocalyptic number.

6177678780 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 6177678780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10982522880).

6177678780 is an abundant number, since it is smaller than the sum of its proper divisors (15787366980).

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

6177678780 is a wasteful number, since it uses less digits than its factorization.

6177678780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 57.

The square root of 6177678780 is about 78598.2110483438. The cubic root of 6177678780 is about 1834.8832698529.

The spelling of 6177678780 in words is "six billion, one hundred seventy-seven million, six hundred seventy-eight thousand, seven hundred eighty".