498977803 has 4 divisors (see below), whose sum is σ = 509594400. Its totient is φ = 488361208.

The previous prime is 498977789. The next prime is 498977813. The reversal of 498977803 is 308779894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308779894 = 2 ⋅154389947.

It is not a de Polignac number, because 498977803 - 2⁹ = 498977291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498977813) 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 3 ways as a sum of consecutive naturals, for example, 5308228 + ... + 5308321.

It is an arithmetic number, because the mean of its divisors is an integer number (127398600).

Almost surely, 2^498977803 is an apocalyptic number.

498977803 is a deficient number, since it is larger than the sum of its proper divisors (10616597).

498977803 is a wasteful number, since it uses less digits than its factorization.

498977803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616596.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 498977803 is about 22337.8110610686. The cubic root of 498977803 is about 793.1592781107.

The spelling of 498977803 in words is "four hundred ninety-eight million, nine hundred seventy-seven thousand, eight hundred three".