497158688 has 48 divisors (see below), whose sum is σ = 1058071896. Its totient is φ = 228587520.

The previous prime is 497158681. The next prime is 497158699. The reversal of 497158688 is 886851794.

It can be written as a sum of positive squares in 4 ways, for example, as 277289104 + 219869584 = 16652^2 + 14828^2 .

It is a super-2 number, since 2×497158688² = 494333522107762688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497158681) 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, 114770 + ... + 119022.

Almost surely, 2^497158688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497158688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529035948).

497158688 is an abundant number, since it is smaller than the sum of its proper divisors (560913208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497158688 is a wasteful number, since it uses less digits than its factorization.

497158688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557 (or 4549 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 56.

The square root of 497158688 is about 22297.0555903689. The cubic root of 497158688 is about 792.1942352569.

The spelling of 497158688 in words is "four hundred ninety-seven million, one hundred fifty-eight thousand, six hundred eighty-eight".