678808701 has 16 divisors (see below), whose sum is σ = 1010704000. Its totient is φ = 450261504.

The previous prime is 678808699. The next prime is 678808709. The reversal of 678808701 is 107808876.

It is not a de Polignac number, because 678808701 - 2¹ = 678808699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678808709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57796 + ... + 68541.

It is an arithmetic number, because the mean of its divisors is an integer number (63169000).

Almost surely, 2^678808701 is an apocalyptic number.

It is an amenable number.

678808701 is a deficient number, since it is larger than the sum of its proper divisors (331895299).

678808701 is a wasteful number, since it uses less digits than its factorization.

678808701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126545 (or 126539 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 678808701 is about 26053.9574920970. The cubic root of 678808701 is about 878.8521108462.

The spelling of 678808701 in words is "six hundred seventy-eight million, eight hundred eight thousand, seven hundred one".