497794789 has 4 divisors (see below), whose sum is σ = 509371456. Its totient is φ = 486218124.

The previous prime is 497794733. The next prime is 497794823. The reversal of 497794789 is 987497794.

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 497794789 - 2²⁷ = 363577061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 497794789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497795789) 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, 5788269 + ... + 5788354.

It is an arithmetic number, because the mean of its divisors is an integer number (127342864).

Almost surely, 2^497794789 is an apocalyptic number.

It is an amenable number.

497794789 is a deficient number, since it is larger than the sum of its proper divisors (11576667).

497794789 is a wasteful number, since it uses less digits than its factorization.

497794789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576666.

The product of its digits is 32006016, while the sum is 64.

The square root of 497794789 is about 22311.3152682669. The cubic root of 497794789 is about 792.5319549124.

The spelling of 497794789 in words is "four hundred ninety-seven million, seven hundred ninety-four thousand, seven hundred eighty-nine".