797811429 has 4 divisors (see below), whose sum is σ = 1063748576. Its totient is φ = 531874284.

The previous prime is 797811409. The next prime is 797811437. The reversal of 797811429 is 924118797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 797811429 - 2⁹ = 797810917 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 (797811409) 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 3 ways as a sum of consecutive naturals, for example, 132968569 + ... + 132968574.

It is an arithmetic number, because the mean of its divisors is an integer number (265937144).

Almost surely, 2^797811429 is an apocalyptic number.

It is an amenable number.

797811429 is a deficient number, since it is larger than the sum of its proper divisors (265937147).

797811429 is a wasteful number, since it uses less digits than its factorization.

797811429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265937146.

The product of its digits is 254016, while the sum is 48.

The square root of 797811429 is about 28245.5559159313. Note that the first 3 decimals coincide. The cubic root of 797811429 is about 927.4704563597.

The spelling of 797811429 in words is "seven hundred ninety-seven million, eight hundred eleven thousand, four hundred twenty-nine".