798126917 has 8 divisors (see below), whose sum is σ = 912723456. Its totient is φ = 683674992.

The previous prime is 798126911. The next prime is 798126919. The reversal of 798126917 is 719621897.

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

It is not a de Polignac number, because 798126917 - 2²⁰ = 797078341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798126911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24053 + ... + 46634.

It is an arithmetic number, because the mean of its divisors is an integer number (114090432).

Almost surely, 2^798126917 is an apocalyptic number.

It is an amenable number.

798126917 is a deficient number, since it is larger than the sum of its proper divisors (114596539).

798126917 is a wasteful number, since it uses less digits than its factorization.

798126917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72307.

The product of its digits is 381024, while the sum is 50.

The square root of 798126917 is about 28251.1401008880. The cubic root of 798126917 is about 927.5926937823.

The spelling of 798126917 in words is "seven hundred ninety-eight million, one hundred twenty-six thousand, nine hundred seventeen".