498895424278 has 4 divisors (see below), whose sum is σ = 748343136420. Its totient is φ = 249447712138.

The previous prime is 498895424249. The next prime is 498895424299. The reversal of 498895424278 is 872424598894.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 124723856068 + ... + 124723856071.

It is an arithmetic number, because the mean of its divisors is an integer number (187085784105).

Almost surely, 2^498895424278 is an apocalyptic number.

498895424278 is a deficient number, since it is larger than the sum of its proper divisors (249447712142).

498895424278 is a wasteful number, since it uses less digits than its factorization.

498895424278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249447712141.

The product of its digits is 371589120, while the sum is 70.

The spelling of 498895424278 in words is "four hundred ninety-eight billion, eight hundred ninety-five million, four hundred twenty-four thousand, two hundred seventy-eight".