978108460 has 24 divisors (see below), whose sum is σ = 2347460640. Its totient is φ = 335351424.

The previous prime is 978108449. The next prime is 978108473. The reversal of 978108460 is 64801879.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3493105 + ... + 3493384.

It is an arithmetic number, because the mean of its divisors is an integer number (97810860).

Almost surely, 2^978108460 is an apocalyptic number.

It is an amenable number.

978108460 is an abundant number, since it is smaller than the sum of its proper divisors (1369352180).

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

978108460 is a wasteful number, since it uses less digits than its factorization.

978108460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986505 (or 6986503 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 978108460 is about 31274.7255783324. The cubic root of 978108460 is about 992.6489139477.

The spelling of 978108460 in words is "nine hundred seventy-eight million, one hundred eight thousand, four hundred sixty".