678846160031 has 8 divisors (see below), whose sum is σ = 731075129904. Its totient is φ = 626618623680.

The previous prime is 678846160019. The next prime is 678846160049. The reversal of 678846160031 is 130061648876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 678846160031 - 2¹⁸ = 678845897887 is a prime.

It is a super-2 number, since 2×678846160031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678846160331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752771 + ... + 1387211.

It is an arithmetic number, because the mean of its divisors is an integer number (91384391238).

Almost surely, 2^678846160031 is an apocalyptic number.

678846160031 is a deficient number, since it is larger than the sum of its proper divisors (52228969873).

678846160031 is a wasteful number, since it uses less digits than its factorization.

678846160031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716761.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 678846160031 in words is "six hundred seventy-eight billion, eight hundred forty-six million, one hundred sixty thousand, thirty-one".