21766884314 has 8 divisors (see below), whose sum is σ = 37314658848. Its totient is φ = 9328664700.

The previous prime is 21766884287. The next prime is 21766884317. The reversal of 21766884314 is 41348866712.

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

It is not an unprimeable number, because it can be changed into a prime (21766884317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777388712 + ... + 777388739.

It is an arithmetic number, because the mean of its divisors is an integer number (4664332356).

Almost surely, 2^21766884314 is an apocalyptic number.

21766884314 is a deficient number, since it is larger than the sum of its proper divisors (15547774534).

21766884314 is a wasteful number, since it uses less digits than its factorization.

21766884314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554777460.

The product of its digits is 1548288, while the sum is 50.

The spelling of 21766884314 in words is "twenty-one billion, seven hundred sixty-six million, eight hundred eighty-four thousand, three hundred fourteen".