498869278 has 4 divisors (see below), whose sum is σ = 748303920. Its totient is φ = 249434638.

The previous prime is 498869251. The next prime is 498869309. The reversal of 498869278 is 872968894.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 124717318 + ... + 124717321.

It is an arithmetic number, because the mean of its divisors is an integer number (187075980).

Almost surely, 2^498869278 is an apocalyptic number.

498869278 is a deficient number, since it is larger than the sum of its proper divisors (249434642).

498869278 is a wasteful number, since it uses less digits than its factorization.

498869278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249434641.

The product of its digits is 13934592, while the sum is 61.

The square root of 498869278 is about 22335.3817518304. The cubic root of 498869278 is about 793.1017713095.

The spelling of 498869278 in words is "four hundred ninety-eight million, eight hundred sixty-nine thousand, two hundred seventy-eight".