497977556 has 6 divisors (see below), whose sum is σ = 871460730. Its totient is φ = 248988776.

The previous prime is 497977547. The next prime is 497977573. The reversal of 497977556 is 655779794.

It can be written as a sum of positive squares in only one way, i.e., 356605456 + 141372100 = 18884^2 + 11890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 497977495 and 497977504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62247191 + ... + 62247198.

It is an arithmetic number, because the mean of its divisors is an integer number (145243455).

Almost surely, 2^497977556 is an apocalyptic number.

It is an amenable number.

497977556 is a deficient number, since it is larger than the sum of its proper divisors (373483174).

497977556 is a wasteful number, since it uses less digits than its factorization.

497977556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124494393 (or 124494391 counting only the distinct ones).

The product of its digits is 16669800, while the sum is 59.

The square root of 497977556 is about 22315.4107289111. The cubic root of 497977556 is about 792.6289366187.

The spelling of 497977556 in words is "four hundred ninety-seven million, nine hundred seventy-seven thousand, five hundred fifty-six".