820734882 has 32 divisors (see below), whose sum is σ = 1797341184. Its totient is φ = 247784400.

The previous prime is 820734881. The next prime is 820734923. The reversal of 820734882 is 288437028.

It is not an unprimeable number, because it can be changed into a prime (820734881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5058 + ... + 40829.

It is an arithmetic number, because the mean of its divisors is an integer number (56166912).

Almost surely, 2^820734882 is an apocalyptic number.

820734882 is an abundant number, since it is smaller than the sum of its proper divisors (976606302).

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

820734882 is a wasteful number, since it uses less digits than its factorization.

820734882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46174.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 820734882 is about 28648.4708492443. The cubic root of 820734882 is about 936.2696895271.

The spelling of 820734882 in words is "eight hundred twenty million, seven hundred thirty-four thousand, eight hundred eighty-two".