5663780968 has 16 divisors (see below), whose sum is σ = 10985782500. Its totient is φ = 2734238976.

The previous prime is 5663780917. The next prime is 5663780987. The reversal of 5663780968 is 8690873665.

It can be written as a sum of positive squares in 2 ways, for example, as 5520787204 + 142993764 = 74302^2 + 11958^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12206193 + ... + 12206656.

Almost surely, 2^5663780968 is an apocalyptic number.

5663780968 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

5663780968 is a deficient number, since it is larger than the sum of its proper divisors (5322001532).

5663780968 is a wasteful number, since it uses less digits than its factorization.

5663780968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24412884 (or 24412880 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 5663780968 is about 75258.0956974065. The cubic root of 5663780968 is about 1782.5243995147.

The spelling of 5663780968 in words is "five billion, six hundred sixty-three million, seven hundred eighty thousand, nine hundred sixty-eight".