978452084 has 24 divisors (see below), whose sum is σ = 1743674688. Its totient is φ = 480341120.

The previous prime is 978452077. The next prime is 978452129. The reversal of 978452084 is 480254879.

It is a happy number.

It is a congruent number.

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, 38249 + ... + 58479.

It is an arithmetic number, because the mean of its divisors is an integer number (72653112).

Almost surely, 2^978452084 is an apocalyptic number.

It is an amenable number.

978452084 is a deficient number, since it is larger than the sum of its proper divisors (765222604).

978452084 is a wasteful number, since it uses less digits than its factorization.

978452084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20455 (or 20453 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 978452084 is about 31280.2187332506. The cubic root of 978452084 is about 992.7651444299.

The spelling of 978452084 in words is "nine hundred seventy-eight million, four hundred fifty-two thousand, eighty-four".