7875798 has 64 divisors (see below), whose sum is σ = 19464192. Its totient is φ = 2075040.

The previous prime is 7875797. The next prime is 7875799. The reversal of 7875798 is 8975787.

7875798 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7875797) and next prime (7875799).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7875798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7875793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29815 + ... + 30077.

It is an arithmetic number, because the mean of its divisors is an integer number (304128).

Almost surely, 2^7875798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7875798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9732096).

7875798 is an abundant number, since it is smaller than the sum of its proper divisors (11588394).

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

7875798 is a wasteful number, since it uses less digits than its factorization.

7875798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its digits is 987840, while the sum is 51.

The square root of 7875798 is about 2806.3852194594. The cubic root of 7875798 is about 198.9595803533.

The spelling of 7875798 in words is "seven million, eight hundred seventy-five thousand, seven hundred ninety-eight".