678274560000 has 650 divisors, whose sum is σ = 2532716764952. Its totient is φ = 180817920000.

The previous prime is 678274559951. The next prime is 678274560023. The reversal of 678274560000 is 65472876.

678274560000 is a `hidden beast` number, since 6 + 7 + 82 + 7 + 4 + 560 + 0 + 0 + 0 = 666.

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 49 ways as a sum of consecutive naturals, for example, 207358365 + ... + 207361635.

Almost surely, 2^678274560000 is an apocalyptic number.

678274560000 is a gapful number since it is divisible by the number (60) 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 678274560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266358382476).

678274560000 is an abundant number, since it is smaller than the sum of its proper divisors (1854442204952).

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

678274560000 is an frugal number, since it uses more digits than its factorization.

678274560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 678274560000 in words is "six hundred seventy-eight billion, two hundred seventy-four million, five hundred sixty thousand".