7855268712 has 16 divisors (see below), whose sum is σ = 19638171840. Its totient is φ = 2618422896.

The previous prime is 7855268689. The next prime is 7855268713. The reversal of 7855268712 is 2178625587.

It is a super-2 number, since 2×7855268712² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7855268713) 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 3 ways as a sum of consecutive naturals, for example, 163651408 + ... + 163651455.

It is an arithmetic number, because the mean of its divisors is an integer number (1227385740).

Almost surely, 2^7855268712 is an apocalyptic number.

It is an amenable number.

7855268712 is an abundant number, since it is smaller than the sum of its proper divisors (11782903128).

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

7855268712 is a wasteful number, since it uses less digits than its factorization.

7855268712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327302872 (or 327302868 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 51.

The square root of 7855268712 is about 88629.9538079537. The cubic root of 7855268712 is about 1987.8655862278.

The spelling of 7855268712 in words is "seven billion, eight hundred fifty-five million, two hundred sixty-eight thousand, seven hundred twelve".