798126783 has 4 divisors (see below), whose sum is σ = 1064169048. Its totient is φ = 532084520.

The previous prime is 798126781. The next prime is 798126793. The reversal of 798126783 is 387621897.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 798126783 - 2¹ = 798126781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798126781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133021128 + ... + 133021133.

It is an arithmetic number, because the mean of its divisors is an integer number (266042262).

Almost surely, 2^798126783 is an apocalyptic number.

798126783 is a deficient number, since it is larger than the sum of its proper divisors (266042265).

798126783 is a wasteful number, since it uses less digits than its factorization.

798126783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266042264.

The product of its digits is 1016064, while the sum is 51.

The square root of 798126783 is about 28251.1377293022. The cubic root of 798126783 is about 927.5926418701.

The spelling of 798126783 in words is "seven hundred ninety-eight million, one hundred twenty-six thousand, seven hundred eighty-three".