497677781932 has 18 divisors (see below), whose sum is σ = 883955677668. Its totient is φ = 245119189392.

The previous prime is 497677781903. The next prime is 497677781957. The reversal of 497677781932 is 239187776794.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11527378 + ... + 11570470.

Almost surely, 2^497677781932 is an apocalyptic number.

It is an amenable number.

497677781932 is a deficient number, since it is larger than the sum of its proper divisors (386277895736).

497677781932 is an frugal number, since it uses more digits than its factorization.

497677781932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86257 (or 43162 counting only the distinct ones).

The product of its digits is 224042112, while the sum is 70.

The spelling of 497677781932 in words is "four hundred ninety-seven billion, six hundred seventy-seven million, seven hundred eighty-one thousand, nine hundred thirty-two".