8500728414 has 32 divisors (see below), whose sum is σ = 17961937920. Its totient is φ = 2677654112.

The previous prime is 8500728373. The next prime is 8500728427. The reversal of 8500728414 is 4148270058.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511554 + ... + 527909.

It is an arithmetic number, because the mean of its divisors is an integer number (561310560).

Almost surely, 2^8500728414 is an apocalyptic number.

8500728414 is an abundant number, since it is smaller than the sum of its proper divisors (9461209506).

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

8500728414 is a wasteful number, since it uses less digits than its factorization.

8500728414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039544.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 8500728414 is about 92199.3948678623. The cubic root of 8500728414 is about 2040.8858460527.

The spelling of 8500728414 in words is "eight billion, five hundred million, seven hundred twenty-eight thousand, four hundred fourteen".