497955688 has 16 divisors (see below), whose sum is σ = 948973860. Its totient is φ = 244896000.

The previous prime is 497955641. The next prime is 497955707. The reversal of 497955688 is 886559794.

It can be written as a sum of positive squares in 2 ways, for example, as 489205924 + 8749764 = 22118^2 + 2958^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509713 + ... + 510688.

Almost surely, 2^497955688 is an apocalyptic number.

It is an amenable number.

497955688 is a deficient number, since it is larger than the sum of its proper divisors (451018172).

497955688 is a wasteful number, since it uses less digits than its factorization.

497955688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020468 (or 1020464 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 61.

The square root of 497955688 is about 22314.9207482348. The cubic root of 497955688 is about 792.6173340454.

The spelling of 497955688 in words is "four hundred ninety-seven million, nine hundred fifty-five thousand, six hundred eighty-eight".