8503398216 has 24 divisors (see below), whose sum is σ = 23030037030. Its totient is φ = 2834466048.

The previous prime is 8503398209. The next prime is 8503398217. The reversal of 8503398216 is 6128933058.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5105674116 + 3397724100 = 71454^2 + 58290^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (8503398217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59051305 + ... + 59051448.

Almost surely, 2^8503398216 is an apocalyptic number.

It is an amenable number.

8503398216 is an abundant number, since it is smaller than the sum of its proper divisors (14526638814).

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

8503398216 is a wasteful number, since it uses less digits than its factorization.

8503398216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118102765 (or 118102758 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 8503398216 is about 92213.8721451388. The cubic root of 8503398216 is about 2041.0994822856.

The spelling of 8503398216 in words is "eight billion, five hundred three million, three hundred ninety-eight thousand, two hundred sixteen".