97534712563 has 4 divisors (see below), whose sum is σ = 97573129720. Its totient is φ = 97496295408.

The previous prime is 97534712551. The next prime is 97534712567. The reversal of 97534712563 is 36521743579.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97534712563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97534712563.

It is not an unprimeable number, because it can be changed into a prime (97534712567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19204770 + ... + 19209847.

It is an arithmetic number, because the mean of its divisors is an integer number (24393282430).

Almost surely, 2^97534712563 is an apocalyptic number.

97534712563 is a deficient number, since it is larger than the sum of its proper divisors (38417157).

97534712563 is a wasteful number, since it uses less digits than its factorization.

97534712563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38417156.

The product of its digits is 4762800, while the sum is 52.

The spelling of 97534712563 in words is "ninety-seven billion, five hundred thirty-four million, seven hundred twelve thousand, five hundred sixty-three".