681596875 has 12 divisors (see below), whose sum is σ = 851945472. Its totient is φ = 545275000.

The previous prime is 681596873. The next prime is 681596879. The reversal of 681596875 is 578695186.

It is not a de Polignac number, because 681596875 - 2¹ = 681596873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681596873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105931 + ... + 112180.

It is an arithmetic number, because the mean of its divisors is an integer number (70995456).

Almost surely, 2^681596875 is an apocalyptic number.

681596875 is a deficient number, since it is larger than the sum of its proper divisors (170348597).

681596875 is an frugal number, since it uses more digits than its factorization.

681596875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218136 (or 218116 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 55.

The square root of 681596875 is about 26107.4103464897. The cubic root of 681596875 is about 880.0537480085.

The spelling of 681596875 in words is "six hundred eighty-one million, five hundred ninety-six thousand, eight hundred seventy-five".