68881485 has 32 divisors (see below), whose sum is σ = 113477760. Its totient is φ = 35659008.

The previous prime is 68881471. The next prime is 68881487. The reversal of 68881485 is 58418886.

It is not a de Polignac number, because 68881485 - 2⁵ = 68881453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68881487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173307 + ... + 173703.

It is an arithmetic number, because the mean of its divisors is an integer number (3546180).

Almost surely, 2^68881485 is an apocalyptic number.

It is an amenable number.

68881485 is a deficient number, since it is larger than the sum of its proper divisors (44596275).

68881485 is a wasteful number, since it uses less digits than its factorization.

68881485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its digits is 491520, while the sum is 48.

The square root of 68881485 is about 8299.4870323412. The cubic root of 68881485 is about 409.9216288832.

The spelling of 68881485 in words is "sixty-eight million, eight hundred eighty-one thousand, four hundred eighty-five".