6812776653 has 8 divisors (see below), whose sum is σ = 9112358688. Its totient is φ = 4527522864.

The previous prime is 6812776637. The next prime is 6812776679. The reversal of 6812776653 is 3566772186.

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

It is not a de Polignac number, because 6812776653 - 2⁴ = 6812776637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6812776596 and 6812776605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6812776153) 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, 3580951 + ... + 3582852.

It is an arithmetic number, because the mean of its divisors is an integer number (1139044836).

Almost surely, 2^6812776653 is an apocalyptic number.

It is an amenable number.

6812776653 is a deficient number, since it is larger than the sum of its proper divisors (2299582035).

6812776653 is a wasteful number, since it uses less digits than its factorization.

6812776653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164123.

The product of its digits is 2540160, while the sum is 51.

The square root of 6812776653 is about 82539.5459946322. The cubic root of 6812776653 is about 1895.7222925415.

The spelling of 6812776653 in words is "six billion, eight hundred twelve million, seven hundred seventy-six thousand, six hundred fifty-three".