978411848 has 12 divisors (see below), whose sum is σ = 1834688115. Its totient is φ = 489161688.

The previous prime is 978411839. The next prime is 978411851. The reversal of 978411848 is 848114879.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 489205924 + 489205924 = 22118^2 + 22118^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22118.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 978411796 and 978411805.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 82943 + ... + 94001.

Almost surely, 2^978411848 is an apocalyptic number.

It is an amenable number.

978411848 is a deficient number, since it is larger than the sum of its proper divisors (856276267).

978411848 is an frugal number, since it uses more digits than its factorization.

978411848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22124 (or 11061 counting only the distinct ones).

The product of its digits is 516096, while the sum is 50.

The square root of 978411848 is about 31279.5755725681. The cubic root of 978411848 is about 992.7515360490.

Multiplying 978411848 by its sum of digits (50), we get a square (48920592400 = 221180²).

The spelling of 978411848 in words is "nine hundred seventy-eight million, four hundred eleven thousand, eight hundred forty-eight".