498739879 has 8 divisors (see below), whose sum is σ = 544431888. Its totient is φ = 453106560.

The previous prime is 498739861. The next prime is 498739907. The reversal of 498739879 is 978937894.

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 498739879 - 2¹³ = 498731687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 498739879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498739849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4159 + ... + 31855.

It is an arithmetic number, because the mean of its divisors is an integer number (68053986).

Almost surely, 2^498739879 is an apocalyptic number.

498739879 is a deficient number, since it is larger than the sum of its proper divisors (45692009).

498739879 is a wasteful number, since it uses less digits than its factorization.

498739879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29345.

The product of its digits is 27433728, while the sum is 64.

The square root of 498739879 is about 22332.4848371156. The cubic root of 498739879 is about 793.0331925888.

The spelling of 498739879 in words is "four hundred ninety-eight million, seven hundred thirty-nine thousand, eight hundred seventy-nine".