798781824 has 192 divisors, whose sum is σ = 2428542480. Its totient is φ = 261273600.

The previous prime is 798781817. The next prime is 798781843. The reversal of 798781824 is 428187897.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897134 + ... + 1897554.

Almost surely, 2^798781824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798781824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214271240).

798781824 is an abundant number, since it is smaller than the sum of its proper divisors (1629760656).

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

798781824 is an equidigital number, since it uses as much as digits as its factorization.

798781824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 487 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 798781824 is about 28262.7285306992. The cubic root of 798781824 is about 927.8463380136.

The spelling of 798781824 in words is "seven hundred ninety-eight million, seven hundred eighty-one thousand, eight hundred twenty-four".