497881111 has 48 divisors (see below), whose sum is σ = 678236160. Its totient is φ = 360884160.

The previous prime is 497881079. The next prime is 497881121. The reversal of 497881111 is 111188794.

It is not a de Polignac number, because 497881111 - 2⁵ = 497881079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497881121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374530 + ... + 375856.

It is an arithmetic number, because the mean of its divisors is an integer number (14129920).

Almost surely, 2^497881111 is an apocalyptic number.

497881111 is a deficient number, since it is larger than the sum of its proper divisors (180355049).

497881111 is a wasteful number, since it uses less digits than its factorization.

497881111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1397 counting only the distinct ones).

The product of its digits is 16128, while the sum is 40.

The square root of 497881111 is about 22313.2496736804. The cubic root of 497881111 is about 792.5777629380.

The spelling of 497881111 in words is "four hundred ninety-seven million, eight hundred eighty-one thousand, one hundred eleven".