678301689600 has 216 divisors, whose sum is σ = 2487263843120. Its totient is φ = 180880404480.

The previous prime is 678301689599. The next prime is 678301689601. The reversal of 678301689600 is 6986103876.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (678301689599) and next prime (678301689601).

It is a tau number, because it is divible by the number of its divisors (216).

It is a super-2 number, since 2×678301689600² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678301689601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1789879 + ... + 2135478.

Almost surely, 2^678301689600 is an apocalyptic number.

678301689600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

678301689600 is an abundant number, since it is smaller than the sum of its proper divisors (1808962153520).

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

678301689600 is a wasteful number, since it uses less digits than its factorization.

678301689600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925392 (or 3925367 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 678301689600 in words is "six hundred seventy-eight billion, three hundred one million, six hundred eighty-nine thousand, six hundred".