798126784 has 112 divisors (see below), whose sum is σ = 1995228928. Its totient is φ = 308302848.

The previous prime is 798126781. The next prime is 798126793. The reversal of 798126784 is 487621897.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (798126781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248839 + ... + 252025.

It is an arithmetic number, because the mean of its divisors is an integer number (17814544).

Almost surely, 2^798126784 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 798126784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997614464).

798126784 is an abundant number, since it is smaller than the sum of its proper divisors (1197102144).

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

798126784 is a wasteful number, since it uses less digits than its factorization.

798126784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3252 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 798126784 is about 28251.1377470006. The cubic root of 798126784 is about 927.5926422575.

The spelling of 798126784 in words is "seven hundred ninety-eight million, one hundred twenty-six thousand, seven hundred eighty-four".