34773927561 has 16 divisors (see below), whose sum is σ = 51858107520. Its totient is φ = 23029088400.

The previous prime is 34773927491. The next prime is 34773927563. The reversal of 34773927561 is 16572937743.

34773927561 is a `hidden beast` number, since 3 + 4 + 7 + 73 + 9 + 2 + 7 + 561 = 666.

It is not a de Polignac number, because 34773927561 - 2⁹ = 34773927049 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 34773927498 and 34773927507.

It is not an unprimeable number, because it can be changed into a prime (34773927563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4260570 + ... + 4268723.

It is an arithmetic number, because the mean of its divisors is an integer number (3241131720).

Almost surely, 2^34773927561 is an apocalyptic number.

It is an amenable number.

34773927561 is a deficient number, since it is larger than the sum of its proper divisors (17084179959).

34773927561 is a wasteful number, since it uses less digits than its factorization.

34773927561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529453 (or 8529447 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The spelling of 34773927561 in words is "thirty-four billion, seven hundred seventy-three million, nine hundred twenty-seven thousand, five hundred sixty-one".