499779153 has 60 divisors (see below), whose sum is σ = 791607168. Its totient is φ = 314027280.

The previous prime is 499779143. The next prime is 499779157. The reversal of 499779153 is 351977994.

It is a happy number.

It is not a de Polignac number, because 499779153 - 2⁶ = 499779089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499779153.

It is not an unprimeable number, because it can be changed into a prime (499779157) 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 59 ways as a sum of consecutive naturals, for example, 7039108 + ... + 7039178.

Almost surely, 2^499779153 is an apocalyptic number.

499779153 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

499779153 is a deficient number, since it is larger than the sum of its proper divisors (291828015).

499779153 is an equidigital number, since it uses as much as digits as its factorization.

499779153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 164 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 499779153 is about 22355.7409405280. The cubic root of 499779153 is about 793.5836511881.

The spelling of 499779153 in words is "four hundred ninety-nine million, seven hundred seventy-nine thousand, one hundred fifty-three".