678797922 has 32 divisors (see below), whose sum is σ = 1482960960. Its totient is φ = 205425920.

The previous prime is 678797921. The next prime is 678797929. The reversal of 678797922 is 229797876.

It is not an unprimeable number, because it can be changed into a prime (678797921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47038 + ... + 59750.

It is an arithmetic number, because the mean of its divisors is an integer number (46342530).

Almost surely, 2^678797922 is an apocalyptic number.

678797922 is an abundant number, since it is smaller than the sum of its proper divisors (804163038).

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

678797922 is a wasteful number, since it uses less digits than its factorization.

678797922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13538.

The product of its digits is 5334336, while the sum is 57.

The square root of 678797922 is about 26053.7506321067. The cubic root of 678797922 is about 878.8474589725.

The spelling of 678797922 in words is "six hundred seventy-eight million, seven hundred ninety-seven thousand, nine hundred twenty-two".