11827768863 has 8 divisors (see below), whose sum is σ = 15986391088. Its totient is φ = 7777162944.

The previous prime is 11827768829. The next prime is 11827768867. The reversal of 11827768863 is 36886772811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11827768863 - 2²² = 11823574559 is a prime.

It is a super-2 number, since 2×11827768863² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11827768867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27003820 + ... + 27004257.

It is an arithmetic number, because the mean of its divisors is an integer number (1998298886).

Almost surely, 2^11827768863 is an apocalyptic number.

11827768863 is a deficient number, since it is larger than the sum of its proper divisors (4158622225).

11827768863 is an equidigital number, since it uses as much as digits as its factorization.

11827768863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54008153.

The product of its digits is 5419008, while the sum is 57.

The spelling of 11827768863 in words is "eleven billion, eight hundred twenty-seven million, seven hundred sixty-eight thousand, eight hundred sixty-three".