8155225760 has 72 divisors (see below), whose sum is σ = 21177520308. Its totient is φ = 2965529600.

The previous prime is 8155225753. The next prime is 8155225763. The reversal of 8155225760 is 675225518.

It can be written as a sum of positive squares in 2 ways, for example, as 8112244624 + 42981136 = 90068^2 + 6556^2 .

It is not an unprimeable number, because it can be changed into a prime (8155225763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191261 + ... + 229980.

Almost surely, 2^8155225760 is an apocalyptic number.

8155225760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8155225760 is an abundant number, since it is smaller than the sum of its proper divisors (13022294548).

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

8155225760 is a wasteful number, since it uses less digits than its factorization.

8155225760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421278 (or 421259 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 8155225760 is about 90306.2885960884. The cubic root of 8155225760 is about 2012.8527070305.

The spelling of 8155225760 in words is "eight billion, one hundred fifty-five million, two hundred twenty-five thousand, seven hundred sixty".