798415758 has 96 divisors (see below), whose sum is σ = 2140427520. Its totient is φ = 216075600.

The previous prime is 798415729. The next prime is 798415759. The reversal of 798415758 is 857514897.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798415759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133533 + ... + 139383.

It is an arithmetic number, because the mean of its divisors is an integer number (22296120).

Almost surely, 2^798415758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798415758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070213760).

798415758 is an abundant number, since it is smaller than the sum of its proper divisors (1342011762).

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

798415758 is a wasteful number, since it uses less digits than its factorization.

798415758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907 (or 5882 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The square root of 798415758 is about 28256.2516622428. The cubic root of 798415758 is about 927.7045784468.

The spelling of 798415758 in words is "seven hundred ninety-eight million, four hundred fifteen thousand, seven hundred fifty-eight".