563887673855 has 16 divisors (see below), whose sum is σ = 770275021824. Its totient is φ = 392269685280.

The previous prime is 563887673851. The next prime is 563887673887. The reversal of 563887673855 is 558376788365.

563887673855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 563887673855 - 2² = 563887673851 is a prime.

It is a super-2 number, since 2×563887673855² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563887673851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222879239 + ... + 222881768.

It is an arithmetic number, because the mean of its divisors is an integer number (48142188864).

Almost surely, 2^563887673855 is an apocalyptic number.

563887673855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

563887673855 is a deficient number, since it is larger than the sum of its proper divisors (206387347969).

563887673855 is a wasteful number, since it uses less digits than its factorization.

563887673855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445761046.

The product of its digits is 1016064000, while the sum is 71.

The spelling of 563887673855 in words is "five hundred sixty-three billion, eight hundred eighty-seven million, six hundred seventy-three thousand, eight hundred fifty-five".