678470726500 has 96 divisors (see below), whose sum is σ = 1734767274240. Its totient is φ = 226944864000.

The previous prime is 678470726489. The next prime is 678470726503. The reversal of 678470726500 is 5627074876.

It is a super-3 number, since 3×678470726500³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (678470726503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2220510 + ... + 2507509.

It is an arithmetic number, because the mean of its divisors is an integer number (18070492440).

Almost surely, 2^678470726500 is an apocalyptic number.

It is an amenable number.

678470726500 is an abundant number, since it is smaller than the sum of its proper divisors (1056296547740).

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

678470726500 is a wasteful number, since it uses less digits than its factorization.

678470726500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728086 (or 4728074 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 678470726500 in words is "six hundred seventy-eight billion, four hundred seventy million, seven hundred twenty-six thousand, five hundred".