8213172960 has 48 divisors (see below), whose sum is σ = 25871496336. Its totient is φ = 2190179328.

The previous prime is 8213172941. The next prime is 8213172973. The reversal of 8213172960 is 692713128.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8554909 + ... + 8555868.

It is an arithmetic number, because the mean of its divisors is an integer number (538989507).

Almost surely, 2^8213172960 is an apocalyptic number.

8213172960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8213172960 is an abundant number, since it is smaller than the sum of its proper divisors (17658323376).

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

8213172960 is a wasteful number, since it uses less digits than its factorization.

8213172960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17110795 (or 17110787 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 8213172960 is about 90626.5576969577. The cubic root of 8213172960 is about 2017.6089212732.

The spelling of 8213172960 in words is "eight billion, two hundred thirteen million, one hundred seventy-two thousand, nine hundred sixty".