8816139774 has 192 divisors, whose sum is σ = 21721190400. Its totient is φ = 2566826496.

The previous prime is 8816139713. The next prime is 8816139781. The reversal of 8816139774 is 4779316188.

It is a self number, because there is not a number n which added to its sum of digits gives 8816139774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63425397 + ... + 63425535.

It is an arithmetic number, because the mean of its divisors is an integer number (113131200).

Almost surely, 2^8816139774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8816139774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10860595200).

8816139774 is an abundant number, since it is smaller than the sum of its proper divisors (12905050626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8816139774 is a wasteful number, since it uses less digits than its factorization.

8816139774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 8816139774 is about 93894.3010730683. The cubic root of 8816139774 is about 2065.8216394346.

The spelling of 8816139774 in words is "eight billion, eight hundred sixteen million, one hundred thirty-nine thousand, seven hundred seventy-four".