8210798064 has 80 divisors (see below), whose sum is σ = 26934903040. Its totient is φ = 2345941440.

The previous prime is 8210798041. The next prime is 8210798077. The reversal of 8210798064 is 4608970128.

It is a super-2 number, since 2×8210798064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1354582 + ... + 1360629.

It is an arithmetic number, because the mean of its divisors is an integer number (336686288).

Almost surely, 2^8210798064 is an apocalyptic number.

8210798064 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8210798064 is an abundant number, since it is smaller than the sum of its proper divisors (18724104976).

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

8210798064 is a wasteful number, since it uses less digits than its factorization.

8210798064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715235 (or 2715223 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 8210798064 is about 90613.4541003708. The cubic root of 8210798064 is about 2017.4144339825.

The spelling of 8210798064 in words is "eight billion, two hundred ten million, seven hundred ninety-eight thousand, sixty-four".