680248881 has 32 divisors (see below), whose sum is σ = 1103123840. Its totient is φ = 411739200.

The previous prime is 680248879. The next prime is 680248909. The reversal of 680248881 is 188842086.

It is a happy number.

It is not a de Polignac number, because 680248881 - 2¹ = 680248879 is a prime.

It is a super-2 number, since 2×680248881² = 925477080203504322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680248801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5526 + ... + 37296.

It is an arithmetic number, because the mean of its divisors is an integer number (34472620).

Almost surely, 2^680248881 is an apocalyptic number.

680248881 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

680248881 is a deficient number, since it is larger than the sum of its proper divisors (422874959).

680248881 is a wasteful number, since it uses less digits than its factorization.

680248881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31854 (or 31848 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The square root of 680248881 is about 26081.5812595786. The cubic root of 680248881 is about 879.4732044208.

The spelling of 680248881 in words is "six hundred eighty million, two hundred forty-eight thousand, eight hundred eighty-one".