8704213408 has 72 divisors (see below), whose sum is σ = 19295663940. Its totient is φ = 3859891200.

The previous prime is 8704213361. The next prime is 8704213429. The reversal of 8704213408 is 8043124078.

It can be written as a sum of positive squares in 2 ways, for example, as 7040552464 + 1663660944 = 83908^2 + 40788^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131338 + ... + 186166.

Almost surely, 2^8704213408 is an apocalyptic number.

8704213408 is a gapful number since it is divisible by the number (88) 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 8704213408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9647831970).

8704213408 is an abundant number, since it is smaller than the sum of its proper divisors (10591450532).

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

8704213408 is a wasteful number, since it uses less digits than its factorization.

8704213408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54902 (or 54883 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 8704213408 is about 93296.3740345786. The cubic root of 8704213408 is about 2057.0420840332.

The spelling of 8704213408 in words is "eight billion, seven hundred four million, two hundred thirteen thousand, four hundred eight".