34878550563 has 16 divisors (see below), whose sum is σ = 51679673760. Its totient is φ = 23248880928.

The previous prime is 34878550559. The next prime is 34878550571. The reversal of 34878550563 is 36505587843.

34878550563 is a `hidden beast` number, since 3 + 4 + 8 + 78 + 5 + 5 + 0 + 563 = 666.

It is a Cunningham number, because it is equal to 186758²-1.

It is not a de Polignac number, because 34878550563 - 2² = 34878550559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34878550513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93381 + ... + 280137.

It is an arithmetic number, because the mean of its divisors is an integer number (3229979610).

Almost surely, 2^34878550563 is an apocalyptic number.

34878550563 is a deficient number, since it is larger than the sum of its proper divisors (16801123197).

34878550563 is a wasteful number, since it uses less digits than its factorization.

34878550563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193683 (or 193677 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 34878550563 in words is "thirty-four billion, eight hundred seventy-eight million, five hundred fifty thousand, five hundred sixty-three".