497693997 has 16 divisors (see below), whose sum is σ = 754473280. Its totient is φ = 324079056.

The previous prime is 497693983. The next prime is 497694013. The reversal of 497693997 is 799396794.

It is not a de Polignac number, because 497693997 - 2⁷ = 497693869 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 (497693947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213178 + ... + 215499.

It is an arithmetic number, because the mean of its divisors is an integer number (47154580).

Almost surely, 2^497693997 is an apocalyptic number.

It is an amenable number.

497693997 is a deficient number, since it is larger than the sum of its proper divisors (256779283).

497693997 is a wasteful number, since it uses less digits than its factorization.

497693997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428729 (or 428723 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The square root of 497693997 is about 22309.0563897266. The cubic root of 497693997 is about 792.4784614685.

The spelling of 497693997 in words is "four hundred ninety-seven million, six hundred ninety-three thousand, nine hundred ninety-seven".