6771264785 has 4 divisors (see below), whose sum is σ = 8125517748. Its totient is φ = 5417011824.

The previous prime is 6771264779. The next prime is 6771264793. The reversal of 6771264785 is 5874621776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3200843776 + 3570421009 = 56576^2 + 59753^2 .

It is a cyclic number.

It is not a de Polignac number, because 6771264785 - 2¹⁴ = 6771248401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677126474 + ... + 677126483.

It is an arithmetic number, because the mean of its divisors is an integer number (2031379437).

Almost surely, 2^6771264785 is an apocalyptic number.

It is an amenable number.

6771264785 is a deficient number, since it is larger than the sum of its proper divisors (1354252963).

6771264785 is a wasteful number, since it uses less digits than its factorization.

6771264785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354252962.

The product of its digits is 3951360, while the sum is 53.

The square root of 6771264785 is about 82287.6952223113. The cubic root of 6771264785 is about 1891.8640833467.

The spelling of 6771264785 in words is "six billion, seven hundred seventy-one million, two hundred sixty-four thousand, seven hundred eighty-five".