8542047850 has 24 divisors (see below), whose sum is σ = 18157953888. Its totient is φ = 2928702000.

The previous prime is 8542047793. The next prime is 8542047859. The reversal of 8542047850 is 587402458.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8542047797 and 8542047806.

It is not an unprimeable number, because it can be changed into a prime (8542047859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12202576 + ... + 12203275.

It is an arithmetic number, because the mean of its divisors is an integer number (756581412).

Almost surely, 2^8542047850 is an apocalyptic number.

8542047850 is an abundant number, since it is smaller than the sum of its proper divisors (9615906038).

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

8542047850 is a wasteful number, since it uses less digits than its factorization.

8542047850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24405870 (or 24405865 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 8542047850 is about 92423.1997390266. The cubic root of 8542047850 is about 2044.1872097516.

The spelling of 8542047850 in words is "eight billion, five hundred forty-two million, forty-seven thousand, eight hundred fifty".