497671788 has 48 divisors (see below), whose sum is σ = 1230225920. Its totient is φ = 156147264.

The previous prime is 497671781. The next prime is 497671829. The reversal of 497671788 is 887176794.

It is a happy number.

It is a super-2 number, since 2×497671788² = 495354417142233888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (497671781) 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, 28845 + ... + 42747.

Almost surely, 2^497671788 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 497671788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615112960).

497671788 is an abundant number, since it is smaller than the sum of its proper divisors (732554132).

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

497671788 is a wasteful number, since it uses less digits than its factorization.

497671788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14086 (or 14084 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 57.

The square root of 497671788 is about 22308.5586266796. The cubic root of 497671788 is about 792.4666734917.

The spelling of 497671788 in words is "four hundred ninety-seven million, six hundred seventy-one thousand, seven hundred eighty-eight".