798121735 has 8 divisors (see below), whose sum is σ = 999387360. Its totient is φ = 610736544.

The previous prime is 798121697. The next prime is 798121739. The reversal of 798121735 is 537121897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 798121735 - 2⁷ = 798121607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 798121691 and 798121700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798121739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469980 + ... + 3470209.

It is an arithmetic number, because the mean of its divisors is an integer number (124923420).

Almost surely, 2^798121735 is an apocalyptic number.

798121735 is a deficient number, since it is larger than the sum of its proper divisors (201265625).

798121735 is a wasteful number, since it uses less digits than its factorization.

798121735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940217.

The product of its digits is 105840, while the sum is 43.

The square root of 798121735 is about 28251.0483876263. The cubic root of 798121735 is about 927.5906862504.

The spelling of 798121735 in words is "seven hundred ninety-eight million, one hundred twenty-one thousand, seven hundred thirty-five".