8502038742 has 32 divisors (see below), whose sum is σ = 18172605312. Its totient is φ = 2642374784.

The previous prime is 8502038639. The next prime is 8502038777. The reversal of 8502038742 is 2478302058.

It is a self number, because there is not a number n which added to its sum of digits gives 8502038742.

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, 378588 + ... + 400415.

It is an arithmetic number, because the mean of its divisors is an integer number (567893916).

Almost surely, 2^8502038742 is an apocalyptic number.

8502038742 is an abundant number, since it is smaller than the sum of its proper divisors (9670566570).

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

8502038742 is a wasteful number, since it uses less digits than its factorization.

8502038742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779132.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 8502038742 is about 92206.5005409055. The cubic root of 8502038742 is about 2040.9907034385.

The spelling of 8502038742 in words is "eight billion, five hundred two million, thirty-eight thousand, seven hundred forty-two".