678230061 has 16 divisors (see below), whose sum is σ = 953763840. Its totient is φ = 427518000.

The previous prime is 678230057. The next prime is 678230081. The reversal of 678230061 is 160032876.

678230061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 678230061 - 2² = 678230057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678230041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18436 + ... + 41186.

It is an arithmetic number, because the mean of its divisors is an integer number (59610240).

Almost surely, 2^678230061 is an apocalyptic number.

It is an amenable number.

678230061 is a deficient number, since it is larger than the sum of its proper divisors (275533779).

678230061 is a wasteful number, since it uses less digits than its factorization.

678230061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23296.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 678230061 is about 26042.8504776263. The cubic root of 678230061 is about 878.6023185498.

The spelling of 678230061 in words is "six hundred seventy-eight million, two hundred thirty thousand, sixty-one".