8787312000 has 256 divisors, whose sum is σ = 32368190400. Its totient is φ = 2343168000.

The previous prime is 8787311983. The next prime is 8787312067. The reversal of 8787312000 is 2137878.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421830 + ... + 442170.

Almost surely, 2^8787312000 is an apocalyptic number.

8787312000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8787312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16184095200).

8787312000 is an abundant number, since it is smaller than the sum of its proper divisors (23580878400).

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

8787312000 is a wasteful number, since it uses less digits than its factorization.

8787312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20379 (or 20351 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 8787312000 is about 93740.6635350956. The cubic root of 8787312000 is about 2063.5675134943.

Adding to 8787312000 its reverse (2137878), we get a palindrome (8789449878).

The spelling of 8787312000 in words is "eight billion, seven hundred eighty-seven million, three hundred twelve thousand".