6806178628 has 6 divisors (see below), whose sum is σ = 11910812606. Its totient is φ = 3403089312.

The previous prime is 6806178593. The next prime is 6806178671. The reversal of 6806178628 is 8268716086.

It can be written as a sum of positive squares in only one way, i.e., 3535253764 + 3270924864 = 59458^2 + 57192^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850772325 + ... + 850772332.

Almost surely, 2^6806178628 is an apocalyptic number.

It is an amenable number.

6806178628 is a deficient number, since it is larger than the sum of its proper divisors (5104633978).

6806178628 is a wasteful number, since it uses less digits than its factorization.

6806178628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701544661 (or 1701544659 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 6806178628 is about 82499.5674412903. The cubic root of 6806178628 is about 1895.1101063603.

It can be divided in two parts, 68061 and 78628, that added together give a square (146689 = 383²).

The spelling of 6806178628 in words is "six billion, eight hundred six million, one hundred seventy-eight thousand, six hundred twenty-eight".