678371701 has 16 divisors (see below), whose sum is σ = 787691520. Its totient is φ = 572186160.

The previous prime is 678371671. The next prime is 678371711. The reversal of 678371701 is 107173876.

678371701 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 678371701 - 2⁵ = 678371669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678371711) 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, 366360 + ... + 368206.

It is an arithmetic number, because the mean of its divisors is an integer number (49230720).

Almost surely, 2^678371701 is an apocalyptic number.

It is an amenable number.

678371701 is a deficient number, since it is larger than the sum of its proper divisors (109319819).

678371701 is a wasteful number, since it uses less digits than its factorization.

678371701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 678371701 is about 26045.5697000469. The cubic root of 678371701 is about 878.6634760526.

The spelling of 678371701 in words is "six hundred seventy-eight million, three hundred seventy-one thousand, seven hundred one".