6776774404 has 48 divisors (see below), whose sum is σ = 12551338800. Its totient is φ = 3196583936.

The previous prime is 6776774371. The next prime is 6776774449. The reversal of 6776774404 is 4044776776.

It can be written as a sum of positive squares in 8 ways, for example, as 2994278400 + 3782496004 = 54720^2 + 61502^2 .

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, 1577892 + ... + 1582180.

It is an arithmetic number, because the mean of its divisors is an integer number (261486225).

Almost surely, 2^6776774404 is an apocalyptic number.

It is an amenable number.

6776774404 is a deficient number, since it is larger than the sum of its proper divisors (5774564396).

6776774404 is a wasteful number, since it uses less digits than its factorization.

6776774404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 52.

The square root of 6776774404 is about 82321.1661967929. The cubic root of 6776774404 is about 1892.3770660170.

The spelling of 6776774404 in words is "six billion, seven hundred seventy-six million, seven hundred seventy-four thousand, four hundred four".