497956785 has 16 divisors (see below), whose sum is σ = 831371904. Its totient is φ = 254029952.

The previous prime is 497956729. The next prime is 497956787. The reversal of 497956785 is 587659794.

It is a cyclic number.

It is not a de Polignac number, because 497956785 - 2⁶ = 497956721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497956787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721332 + ... + 722021.

It is an arithmetic number, because the mean of its divisors is an integer number (51960744).

Almost surely, 2^497956785 is an apocalyptic number.

It is an amenable number.

497956785 is a deficient number, since it is larger than the sum of its proper divisors (333415119).

497956785 is a wasteful number, since it uses less digits than its factorization.

497956785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443384.

The product of its digits is 19051200, while the sum is 60.

The square root of 497956785 is about 22314.9453281876. The cubic root of 497956785 is about 792.6179160922.

The spelling of 497956785 in words is "four hundred ninety-seven million, nine hundred fifty-six thousand, seven hundred eighty-five".