835221255968 has 162 divisors, whose sum is σ = 1910021898897. Its totient is φ = 359199371520.

The previous prime is 835221255943. The next prime is 835221255971. The reversal of 835221255968 is 869552122538.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 621492569104 + 213728686864 = 788348^2 + 462308^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=646228.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1080492830 + ... + 1080493602.

Almost surely, 2^835221255968 is an apocalyptic number.

835221255968 is a gapful number since it is divisible by the number (88) 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 835221255968

835221255968 is an abundant number, since it is smaller than the sum of its proper divisors (1074800642929).

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

835221255968 is an equidigital number, since it uses as much as digits as its factorization.

835221255968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 805 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 56.

The spelling of 835221255968 in words is "eight hundred thirty-five billion, two hundred twenty-one million, two hundred fifty-five thousand, nine hundred sixty-eight".