798063840 has 480 divisors, whose sum is σ = 3395589120. Its totient is φ = 172440576.

The previous prime is 798063779. The next prime is 798063881. The reversal of 798063840 is 48360897.

It is a happy number.

798063840 is a `hidden beast` number, since 7 + 9 + 8 + 0 + 638 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1723449 + ... + 1723911.

It is an arithmetic number, because the mean of its divisors is an integer number (7074144).

Almost surely, 2^798063840 is an apocalyptic number.

798063840 is a gapful number since it is divisible by the number (70) 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 798063840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697794560).

798063840 is an abundant number, since it is smaller than the sum of its proper divisors (2597525280).

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

798063840 is a wasteful number, since it uses less digits than its factorization.

798063840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 798063840 is about 28250.0237168042. The cubic root of 798063840 is about 927.5682568560.

The spelling of 798063840 in words is "seven hundred ninety-eight million, sixty-three thousand, eight hundred forty".