6774576681 has 8 divisors (see below), whose sum is σ = 9033225664. Its totient is φ = 4516156080.

The previous prime is 6774576643. The next prime is 6774576691. The reversal of 6774576681 is 1866754776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6774576681 - 2⁷ = 6774576553 is a prime.

It is a super-3 number, since 3×6774576681³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6774576691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31971 + ... + 120711.

It is an arithmetic number, because the mean of its divisors is an integer number (1129153208).

Almost surely, 2^6774576681 is an apocalyptic number.

It is an amenable number.

6774576681 is a deficient number, since it is larger than the sum of its proper divisors (2258648983).

6774576681 is a wasteful number, since it uses less digits than its factorization.

6774576681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114191.

The product of its digits is 11854080, while the sum is 57.

The square root of 6774576681 is about 82307.8166458083. The cubic root of 6774576681 is about 1892.1724765364.

The spelling of 6774576681 in words is "six billion, seven hundred seventy-four million, five hundred seventy-six thousand, six hundred eighty-one".