497764797 has 4 divisors (see below), whose sum is σ = 663686400. Its totient is φ = 331843196.

The previous prime is 497764763. The next prime is 497764823. The reversal of 497764797 is 797467794.

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 a cyclic number.

It is not a de Polignac number, because 497764797 - 2²⁴ = 480987581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497764797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497764997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82960797 + ... + 82960802.

It is an arithmetic number, because the mean of its divisors is an integer number (165921600).

Almost surely, 2^497764797 is an apocalyptic number.

It is an amenable number.

497764797 is a deficient number, since it is larger than the sum of its proper divisors (165921603).

497764797 is a wasteful number, since it uses less digits than its factorization.

497764797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165921602.

The product of its digits is 18670176, while the sum is 60.

The square root of 497764797 is about 22310.6431328189. The cubic root of 497764797 is about 792.5160379815.

The spelling of 497764797 in words is "four hundred ninety-seven million, seven hundred sixty-four thousand, seven hundred ninety-seven".