497977743 has 4 divisors (see below), whose sum is σ = 663970328. Its totient is φ = 331985160.

The previous prime is 497977723. The next prime is 497977747. The reversal of 497977743 is 347779794.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 497977743 - 2¹² = 497973647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497977747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82996288 + ... + 82996293.

It is an arithmetic number, because the mean of its divisors is an integer number (165992582).

Almost surely, 2^497977743 is an apocalyptic number.

497977743 is a deficient number, since it is larger than the sum of its proper divisors (165992585).

497977743 is a wasteful number, since it uses less digits than its factorization.

497977743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165992584.

The product of its digits is 9335088, while the sum is 57.

The square root of 497977743 is about 22315.4149188403. The cubic root of 497977743 is about 792.6290358344.

The spelling of 497977743 in words is "four hundred ninety-seven million, nine hundred seventy-seven thousand, seven hundred forty-three".