499870287967 has 4 divisors (see below), whose sum is σ = 499926317320. Its totient is φ = 499814258616.

The previous prime is 499870287947. The next prime is 499870287997. The reversal of 499870287967 is 769782078994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499870287967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499870287893 and 499870287902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499870287947) 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, 28001292 + ... + 28019137.

It is an arithmetic number, because the mean of its divisors is an integer number (124981579330).

Almost surely, 2^499870287967 is an apocalyptic number.

499870287967 is a deficient number, since it is larger than the sum of its proper divisors (56029353).

499870287967 is an equidigital number, since it uses as much as digits as its factorization.

499870287967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56029352.

The product of its (nonzero) digits is 768144384, while the sum is 76.

The spelling of 499870287967 in words is "four hundred ninety-nine billion, eight hundred seventy million, two hundred eighty-seven thousand, nine hundred sixty-seven".