8438975802 has 24 divisors (see below), whose sum is σ = 18330519636. Its totient is φ = 2805903936.

The previous prime is 8438975789. The next prime is 8438975803. The reversal of 8438975802 is 2085798348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7817919561 + 621056241 = 88419^2 + 24921^2 .

It is not an unprimeable number, because it can be changed into a prime (8438975803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583323 + ... + 597614.

Almost surely, 2^8438975802 is an apocalyptic number.

8438975802 is an abundant number, since it is smaller than the sum of its proper divisors (9891543834).

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

8438975802 is a wasteful number, since it uses less digits than its factorization.

8438975802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181342 (or 1181339 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 8438975802 is about 91863.8982517071. The cubic root of 8438975802 is about 2035.9319001324.

The spelling of 8438975802 in words is "eight billion, four hundred thirty-eight million, nine hundred seventy-five thousand, eight hundred two".