563517696378 has 128 divisors (see below), whose sum is σ = 1421691876864. Its totient is φ = 144919756800.

The previous prime is 563517696359. The next prime is 563517696509. The reversal of 563517696378 is 873696715365.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52400250 + ... + 52411002.

It is an arithmetic number, because the mean of its divisors is an integer number (11106967788).

Almost surely, 2^563517696378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563517696378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710845938432).

563517696378 is an abundant number, since it is smaller than the sum of its proper divisors (858174180486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563517696378 is a wasteful number, since it uses less digits than its factorization.

563517696378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13160.

The product of its digits is 171460800, while the sum is 66.

The spelling of 563517696378 in words is "five hundred sixty-three billion, five hundred seventeen million, six hundred ninety-six thousand, three hundred seventy-eight".