6149776776 has 128 divisors (see below), whose sum is σ = 18645258240. Its totient is φ = 1664697600.

The previous prime is 6149776769. The next prime is 6149776879. The reversal of 6149776776 is 6776779416.

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, 77491 + ... + 135293.

It is an arithmetic number, because the mean of its divisors is an integer number (145666080).

Almost surely, 2^6149776776 is an apocalyptic number.

6149776776 is a gapful number since it is divisible by the number (66) 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 6149776776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9322629120).

6149776776 is an abundant number, since it is smaller than the sum of its proper divisors (12495481464).

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

6149776776 is a wasteful number, since it uses less digits than its factorization.

6149776776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57867 (or 57863 counting only the distinct ones).

The product of its digits is 18670176, while the sum is 60.

The square root of 6149776776 is about 78420.5124696339. The cubic root of 6149776776 is about 1832.1166323857.

The spelling of 6149776776 in words is "six billion, one hundred forty-nine million, seven hundred seventy-six thousand, seven hundred seventy-six".