858803033088 has 2376 divisors, whose sum is σ = 3635008231680. Its totient is φ = 199264665600.

The previous prime is 858803033087. The next prime is 858803033113. The reversal of 858803033088 is 880330308858.

It is a tau number, because it is divible by the number of its divisors (2376).

It is a super-2 number, since 2×858803033088² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858803033083) 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 215 ways as a sum of consecutive naturals, for example, 27703323633 + ... + 27703323663.

Almost surely, 2^858803033088 is an apocalyptic number.

858803033088 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 858803033088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817504115840).

858803033088 is an abundant number, since it is smaller than the sum of its proper divisors (2776205198592).

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

858803033088 is a wasteful number, since it uses less digits than its factorization.

858803033088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 858803033088 in words is "eight hundred fifty-eight billion, eight hundred three million, thirty-three thousand, eighty-eight".