499731878896 has 20 divisors (see below), whose sum is σ = 988831166112. Its totient is φ = 244549642496.

The previous prime is 499731878879. The next prime is 499731878897. The reversal of 499731878896 is 698878137994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499731878897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332267785 + ... + 332269288.

Almost surely, 2^499731878896 is an apocalyptic number.

It is an amenable number.

499731878896 is a deficient number, since it is larger than the sum of its proper divisors (489099287216).

499731878896 is a wasteful number, since it uses less digits than its factorization.

499731878896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664537128 (or 664537122 counting only the distinct ones).

The product of its digits is 1316818944, while the sum is 79.

The spelling of 499731878896 in words is "four hundred ninety-nine billion, seven hundred thirty-one million, eight hundred seventy-eight thousand, eight hundred ninety-six".