827070920 has 32 divisors (see below), whose sum is σ = 2004057720. Its totient is φ = 305379840.

The previous prime is 827070913. The next prime is 827070929. The reversal of 827070920 is 29070728.

It can be written as a sum of positive squares in 4 ways, for example, as 762974884 + 64096036 = 27622^2 + 8006^2 .

It is not an unprimeable number, because it can be changed into a prime (827070929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794741 + ... + 795780.

Almost surely, 2^827070920 is an apocalyptic number.

It is an amenable number.

827070920 is an abundant number, since it is smaller than the sum of its proper divisors (1176986800).

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

827070920 is a wasteful number, since it uses less digits than its factorization.

827070920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590545 (or 1590541 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 827070920 is about 28758.8407276789. The cubic root of 827070920 is about 938.6728366134.

The spelling of 827070920 in words is "eight hundred twenty-seven million, seventy thousand, nine hundred twenty".