602778198 has 48 divisors (see below), whose sum is σ = 1367912448. Its totient is φ = 176761200.

The previous prime is 602778131. The next prime is 602778233. The reversal of 602778198 is 891877206.

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 in 23 ways as a sum of consecutive naturals, for example, 9115 + ... + 35897.

It is an arithmetic number, because the mean of its divisors is an integer number (28498176).

Almost surely, 2^602778198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 602778198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683956224).

602778198 is an abundant number, since it is smaller than the sum of its proper divisors (765134250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

602778198 is a wasteful number, since it uses less digits than its factorization.

602778198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26841 (or 26830 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 602778198 is about 24551.5416623885. The cubic root of 602778198 is about 844.7324517389.

The spelling of 602778198 in words is "six hundred two million, seven hundred seventy-eight thousand, one hundred ninety-eight".