798827121 has 6 divisors (see below), whose sum is σ = 1153861410. Its totient is φ = 532551408.

The previous prime is 798827119. The next prime is 798827129. The reversal of 798827121 is 121728897.

It can be written as a sum of positive squares in only one way, i.e., 621804096 + 177023025 = 24936^2 + 13305^2 .

It is not a de Polignac number, because 798827121 - 2¹ = 798827119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (798827129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44379276 + ... + 44379293.

It is an arithmetic number, because the mean of its divisors is an integer number (192310235).

Almost surely, 2^798827121 is an apocalyptic number.

It is an amenable number.

798827121 is a deficient number, since it is larger than the sum of its proper divisors (355034289).

798827121 is a wasteful number, since it uses less digits than its factorization.

798827121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88758575 (or 88758572 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 798827121 is about 28263.5298750881. The cubic root of 798827121 is about 927.8638763284.

The spelling of 798827121 in words is "seven hundred ninety-eight million, eight hundred twenty-seven thousand, one hundred twenty-one".