497397783 has 4 divisors (see below), whose sum is σ = 663197048. Its totient is φ = 331598520.

The previous prime is 497397779. The next prime is 497397787. The reversal of 497397783 is 387793794.

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

It is an interprime number because it is at equal distance from previous prime (497397779) and next prime (497397787).

It is not a de Polignac number, because 497397783 - 2² = 497397779 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 (497397787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82899628 + ... + 82899633.

It is an arithmetic number, because the mean of its divisors is an integer number (165799262).

Almost surely, 2^497397783 is an apocalyptic number.

497397783 is a deficient number, since it is larger than the sum of its proper divisors (165799265).

497397783 is a wasteful number, since it uses less digits than its factorization.

497397783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165799264.

The product of its digits is 8001504, while the sum is 57.

The square root of 497397783 is about 22302.4165282599. The cubic root of 497397783 is about 792.3212096881.

The spelling of 497397783 in words is "four hundred ninety-seven million, three hundred ninety-seven thousand, seven hundred eighty-three".