497955687 has 8 divisors (see below), whose sum is σ = 702996336. Its totient is φ = 312442752.

The previous prime is 497955641. The next prime is 497955707. The reversal of 497955687 is 786559794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 497955687 - 2¹² = 497951591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497955687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497955187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4881868 + ... + 4881969.

It is an arithmetic number, because the mean of its divisors is an integer number (87874542).

Almost surely, 2^497955687 is an apocalyptic number.

497955687 is a deficient number, since it is larger than the sum of its proper divisors (205040649).

497955687 is a wasteful number, since it uses less digits than its factorization.

497955687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9763857.

The product of its digits is 19051200, while the sum is 60.

The square root of 497955687 is about 22314.9207258283. The cubic root of 497955687 is about 792.6173335148.

The spelling of 497955687 in words is "four hundred ninety-seven million, nine hundred fifty-five thousand, six hundred eighty-seven".