855243570 has 32 divisors (see below), whose sum is σ = 2053461312. Its totient is φ = 227967552.

The previous prime is 855243547. The next prime is 855243581. The reversal of 855243570 is 75342558.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 90384 + ... + 99396.

It is an arithmetic number, because the mean of its divisors is an integer number (64170666).

Almost surely, 2^855243570 is an apocalyptic number.

855243570 is an abundant number, since it is smaller than the sum of its proper divisors (1198217742).

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

855243570 is a wasteful number, since it uses less digits than its factorization.

855243570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 855243570 is about 29244.5476969640. The cubic root of 855243570 is about 949.2121149825.

The spelling of 855243570 in words is "eight hundred fifty-five million, two hundred forty-three thousand, five hundred seventy".