6777869736 has 64 divisors (see below), whose sum is σ = 18935985600. Its totient is φ = 2003801600.

The previous prime is 6777869699. The next prime is 6777869741. The reversal of 6777869736 is 6379687776.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302271 + ... + 323918.

It is an arithmetic number, because the mean of its divisors is an integer number (295874775).

Almost surely, 2^6777869736 is an apocalyptic number.

6777869736 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6777869736 is an abundant number, since it is smaller than the sum of its proper divisors (12158115864).

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

6777869736 is a wasteful number, since it uses less digits than its factorization.

6777869736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626250 (or 626246 counting only the distinct ones).

The product of its digits is 112021056, while the sum is 66.

The square root of 6777869736 is about 82327.8187249000. The cubic root of 6777869736 is about 1892.4790156746.

The spelling of 6777869736 in words is "six billion, seven hundred seventy-seven million, eight hundred sixty-nine thousand, seven hundred thirty-six".