6778534080 has 56 divisors (see below), whose sum is σ = 21521848752. Its totient is φ = 1807608832.

The previous prime is 6778534073. The next prime is 6778534123. The reversal of 6778534080 is 804358776.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3529527 + ... + 3531446.

Almost surely, 2^6778534080 is an apocalyptic number.

6778534080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6778534080 is an abundant number, since it is smaller than the sum of its proper divisors (14743314672).

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

6778534080 is a wasteful number, since it uses less digits than its factorization.

6778534080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060993 (or 7060983 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 6778534080 is about 82331.8533740131. The cubic root of 6778534080 is about 1892.5408451310.

The spelling of 6778534080 in words is "six billion, seven hundred seventy-eight million, five hundred thirty-four thousand, eighty".