8821216630471 has 8 divisors (see below), whose sum is σ = 10353860446880. Its totient is φ = 7356690317088.

The previous prime is 8821216630459. The next prime is 8821216630537. The reversal of 8821216630471 is 1740366121288.

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

It is a de Polignac number, because none of the positive numbers 2^k-8821216630471 is a prime.

It is a super-3 number, since 3×8821216630471³ (a number of 40 digits) contains 333 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 (8821216630411) 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, 17029375476 + ... + 17029375993.

It is an arithmetic number, because the mean of its divisors is an integer number (1294232555860).

Almost surely, 2^{8821216630471} is an apocalyptic number.

8821216630471 is a deficient number, since it is larger than the sum of its proper divisors (1532643816409).

8821216630471 is a wasteful number, since it uses less digits than its factorization.

8821216630471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34058751513.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 8821216630471 in words is "eight trillion, eight hundred twenty-one billion, two hundred sixteen million, six hundred thirty thousand, four hundred seventy-one".