678925012810 has 16 divisors (see below), whose sum is σ = 1333161843552. Its totient is φ = 246881822800.

The previous prime is 678925012789. The next prime is 678925012811. The reversal of 678925012810 is 18210529876.

It is a happy number.

It is a super-2 number, since 2×678925012810² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (678925012811) 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 7 ways as a sum of consecutive naturals, for example, 3086022676 + ... + 3086022895.

It is an arithmetic number, because the mean of its divisors is an integer number (83322615222).

Almost surely, 2^678925012810 is an apocalyptic number.

678925012810 is a deficient number, since it is larger than the sum of its proper divisors (654236830742).

678925012810 is a wasteful number, since it uses less digits than its factorization.

678925012810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172045589.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 678925012810 in words is "six hundred seventy-eight billion, nine hundred twenty-five million, twelve thousand, eight hundred ten".