978812298 has 24 divisors (see below), whose sum is σ = 2245511268. Its totient is φ = 307078272.

The previous prime is 978812279. The next prime is 978812309. The reversal of 978812298 is 892218879.

It can be written as a sum of positive squares in 2 ways, for example, as 952771689 + 26040609 = 30867^2 + 5103^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1599061 + ... + 1599672.

Almost surely, 2^978812298 is an apocalyptic number.

978812298 is an abundant number, since it is smaller than the sum of its proper divisors (1266698970).

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

978812298 is a wasteful number, since it uses less digits than its factorization.

978812298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198758 (or 3198755 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 978812298 is about 31285.9760595702. The cubic root of 978812298 is about 992.8869572519.

The spelling of 978812298 in words is "nine hundred seventy-eight million, eight hundred twelve thousand, two hundred ninety-eight".