797504457 has 4 divisors (see below), whose sum is σ = 1063339280. Its totient is φ = 531669636.

The previous prime is 797504429. The next prime is 797504497. The reversal of 797504457 is 754405797.

It is a happy number.

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 797504457 - 2¹⁰ = 797503433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797504497) 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, 132917407 + ... + 132917412.

It is an arithmetic number, because the mean of its divisors is an integer number (265834820).

Almost surely, 2^797504457 is an apocalyptic number.

It is an amenable number.

797504457 is a deficient number, since it is larger than the sum of its proper divisors (265834823).

797504457 is a wasteful number, since it uses less digits than its factorization.

797504457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265834822.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The square root of 797504457 is about 28240.1214055464. The cubic root of 797504457 is about 927.3514875684.

The spelling of 797504457 in words is "seven hundred ninety-seven million, five hundred four thousand, four hundred fifty-seven".