978255360 has 160 divisors (see below), whose sum is σ = 3475090080. Its totient is φ = 260849664.

The previous prime is 978255359. The next prime is 978255371. The reversal of 978255360 is 63552879.

It is a happy number.

978255360 is a `hidden beast` number, since 97 + 8 + 2 + 553 + 6 + 0 = 666.

978255360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62044 + ... + 76196.

It is an arithmetic number, because the mean of its divisors is an integer number (21719313).

Almost surely, 2^978255360 is an apocalyptic number.

978255360 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978255360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737545040).

978255360 is an abundant number, since it is smaller than the sum of its proper divisors (2496834720).

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

978255360 is a wasteful number, since it uses less digits than its factorization.

978255360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185 (or 14163 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 978255360 is about 31277.0740319487. The cubic root of 978255360 is about 992.6986060598.

The spelling of 978255360 in words is "nine hundred seventy-eight million, two hundred fifty-five thousand, three hundred sixty".