678274251600 has 120 divisors (see below), whose sum is σ = 2370260248992. Its totient is φ = 164430118400.

The previous prime is 678274251563. The next prime is 678274251703. The reversal of 678274251600 is 6152472876.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 678274251600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25679007 + ... + 25705406.

Almost surely, 2^678274251600 is an apocalyptic number.

678274251600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

678274251600 is an abundant number, since it is smaller than the sum of its proper divisors (1691985997392).

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

678274251600 is a wasteful number, since it uses less digits than its factorization.

678274251600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51384445 (or 51384434 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 678274251600 in words is "six hundred seventy-eight billion, two hundred seventy-four million, two hundred fifty-one thousand, six hundred".