855470770 has 64 divisors (see below), whose sum is σ = 2032770816. Its totient is φ = 250951680.

The previous prime is 855470731. The next prime is 855470779. The reversal of 855470770 is 77074558.

It is not an unprimeable number, because it can be changed into a prime (855470779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19587 + ... + 45766.

It is an arithmetic number, because the mean of its divisors is an integer number (31762044).

Almost surely, 2^855470770 is an apocalyptic number.

855470770 is an abundant number, since it is smaller than the sum of its proper divisors (1177300046).

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

855470770 is a wasteful number, since it uses less digits than its factorization.

855470770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65395.

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 855470770 is about 29248.4319237801. The cubic root of 855470770 is about 949.2961619549.

The spelling of 855470770 in words is "eight hundred fifty-five million, four hundred seventy thousand, seven hundred seventy".