63788068969 has 27 divisors (see below), whose sum is σ = 68026178493. Its totient is φ = 59808938904.

The previous prime is 63788068957. The next prime is 63788068987. The reversal of 63788068969 is 96986088736.

The square root of 63788068969 is 252563.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 63788068969 - 2¹¹ = 63788066921 is a prime.

It is a super-2 number, since 2×63788068969² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63788068898 and 63788068907.

It is not an unprimeable number, because it can be changed into a prime (63788068469) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 458906902 + ... + 458907040.

Almost surely, 2^63788068969 is an apocalyptic number.

63788068969 is the 252563-rd square number.

63788068969 is the 126282-nd centered octagonal number.

It is an amenable number.

63788068969 is a deficient number, since it is larger than the sum of its proper divisors (4238109524).

63788068969 is an frugal number, since it uses more digits than its factorization.

63788068969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 70.

The spelling of 63788068969 in words is "sixty-three billion, seven hundred eighty-eight million, sixty-eight thousand, nine hundred sixty-nine".