498666747 has 8 divisors (see below), whose sum is σ = 665323344. Its totient is φ = 332227328.

The previous prime is 498666731. The next prime is 498666769. The reversal of 498666747 is 747666894.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 498666747 - 2⁴ = 498666731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498666787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48858 + ... + 58175.

It is an arithmetic number, because the mean of its divisors is an integer number (83165418).

Almost surely, 2^498666747 is an apocalyptic number.

498666747 is a deficient number, since it is larger than the sum of its proper divisors (166656597).

498666747 is a wasteful number, since it uses less digits than its factorization.

498666747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108589.

The product of its digits is 12192768, while the sum is 57.

The square root of 498666747 is about 22330.8474313000. The cubic root of 498666747 is about 792.9944289361.

The spelling of 498666747 in words is "four hundred ninety-eight million, six hundred sixty-six thousand, seven hundred forty-seven".