8500850042 has 4 divisors (see below), whose sum is σ = 12751275066. Its totient is φ = 4250425020.

The previous prime is 8500850023. The next prime is 8500850047. The reversal of 8500850042 is 2400580058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5834057161 + 2666792881 = 76381^2 + 51641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8500849990 and 8500850008.

It is not an unprimeable number, because it can be changed into a prime (8500850047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125212509 + ... + 2125212512.

Almost surely, 2^8500850042 is an apocalyptic number.

8500850042 is a deficient number, since it is larger than the sum of its proper divisors (4250425024).

8500850042 is a wasteful number, since it uses less digits than its factorization.

8500850042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250425023.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 8500850042 is about 92200.0544576846. The cubic root of 8500850042 is about 2040.8955796374.

The spelling of 8500850042 in words is "eight billion, five hundred million, eight hundred fifty thousand, forty-two".