497876997 has 4 divisors (see below), whose sum is σ = 663836000. Its totient is φ = 331917996.

The previous prime is 497876993. The next prime is 497876999. The reversal of 497876997 is 799678794.

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 497876997 - 2² = 497876993 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 (497876993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82979497 + ... + 82979502.

It is an arithmetic number, because the mean of its divisors is an integer number (165959000).

Almost surely, 2^497876997 is an apocalyptic number.

It is an amenable number.

497876997 is a deficient number, since it is larger than the sum of its proper divisors (165959003).

497876997 is a wasteful number, since it uses less digits than its factorization.

497876997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165959002.

The product of its digits is 48009024, while the sum is 66.

The square root of 497876997 is about 22313.1574861112. The cubic root of 497876997 is about 792.5755799041.

The spelling of 497876997 in words is "four hundred ninety-seven million, eight hundred seventy-six thousand, nine hundred ninety-seven".