755999126803872 has 288 divisors, whose sum is σ = 2601930567600000. Its totient is φ = 203262300094464.

The previous prime is 755999126803867. The next prime is 755999126803891. The reversal of 755999126803872 is 278308621999557.

755999126803872 is a `hidden beast` number, since 7 + 5 + 5 + 99 + 91 + 2 + 68 + 0 + 387 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 755999126803791 and 755999126803800.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219309879 + ... + 222730377.

It is an arithmetic number, because the mean of its divisors is an integer number (9034481137500).

Almost surely, 2^{755999126803872} is an apocalyptic number.

755999126803872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 755999126803872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300965283800000).

755999126803872 is an abundant number, since it is smaller than the sum of its proper divisors (1845931440796128).

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

755999126803872 is a wasteful number, since it uses less digits than its factorization.

755999126803872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426988 (or 3426977 counting only the distinct ones).

The product of its (nonzero) digits is 4115059200, while the sum is 81.

The spelling of 755999126803872 in words is "seven hundred fifty-five trillion, nine hundred ninety-nine billion, one hundred twenty-six million, eight hundred three thousand, eight hundred seventy-two".