496664978 has 16 divisors (see below), whose sum is σ = 789480000. Its totient is φ = 233680752.

The previous prime is 496664977. The next prime is 496665011. The reversal of 496664978 is 879466694.

It is a super-2 number, since 2×496664978² = 493352200743480968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (496664977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38198 + ... + 49521.

It is an arithmetic number, because the mean of its divisors is an integer number (49342500).

Almost surely, 2^496664978 is an apocalyptic number.

496664978 is a deficient number, since it is larger than the sum of its proper divisors (292815022).

496664978 is a wasteful number, since it uses less digits than its factorization.

496664978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87889.

The product of its digits is 15676416, while the sum is 59.

The square root of 496664978 is about 22285.9816476636. The cubic root of 496664978 is about 791.9319154223.

The spelling of 496664978 in words is "four hundred ninety-six million, six hundred sixty-four thousand, nine hundred seventy-eight".