6776558061 has 32 divisors (see below), whose sum is σ = 11127287808. Its totient is φ = 3572268480.

The previous prime is 6776558059. The next prime is 6776558083. The reversal of 6776558061 is 1608556776.

It is not a de Polignac number, because 6776558061 - 2¹ = 6776558059 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6776557995 and 6776558013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6776558021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504150 + ... + 517416.

It is an arithmetic number, because the mean of its divisors is an integer number (347727744).

Almost surely, 2^6776558061 is an apocalyptic number.

It is an amenable number.

6776558061 is a deficient number, since it is larger than the sum of its proper divisors (4350729747).

6776558061 is a wasteful number, since it uses less digits than its factorization.

6776558061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 6776558061 is about 82319.8521682346. The cubic root of 6776558061 is about 1892.3569282708.

The spelling of 6776558061 in words is "six billion, seven hundred seventy-six million, five hundred fifty-eight thousand, sixty-one".