497788980 has 96 divisors (see below), whose sum is σ = 1580073600. Its totient is φ = 116080128.

The previous prime is 497788957. The next prime is 497788987. The reversal of 497788980 is 89887794.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497788987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1975 + ... + 31614.

It is an arithmetic number, because the mean of its divisors is an integer number (16459100).

Almost surely, 2^497788980 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 497788980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790036800).

497788980 is an abundant number, since it is smaller than the sum of its proper divisors (1082284620).

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

497788980 is a wasteful number, since it uses less digits than its factorization.

497788980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33633 (or 33631 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The square root of 497788980 is about 22311.1850873054. The cubic root of 497788980 is about 792.5288720918.

The spelling of 497788980 in words is "four hundred ninety-seven million, seven hundred eighty-eight thousand, nine hundred eighty".