8507381028 has 48 divisors (see below), whose sum is σ = 20179031040. Its totient is φ = 2789063200.

The previous prime is 8507381027. The next prime is 8507381083. The reversal of 8507381028 is 8201837058.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8507381027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345073 + ... + 368903.

It is an arithmetic number, because the mean of its divisors is an integer number (420396480).

Almost surely, 2^8507381028 is an apocalyptic number.

It is an amenable number.

8507381028 is an abundant number, since it is smaller than the sum of its proper divisors (11671650012).

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

8507381028 is a wasteful number, since it uses less digits than its factorization.

8507381028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24328 (or 24326 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 8507381028 is about 92235.4651313691. The cubic root of 8507381028 is about 2041.4181018318.

The spelling of 8507381028 in words is "eight billion, five hundred seven million, three hundred eighty-one thousand, twenty-eight".