68880485 has 8 divisors (see below), whose sum is σ = 83475576. Its totient is φ = 54558400.

The previous prime is 68880473. The next prime is 68880499. The reversal of 68880485 is 58408886.

It can be written as a sum of positive squares in 4 ways, for example, as 9928801 + 58951684 = 3151^2 + 7678^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-68880485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67694 + ... + 68703.

It is an arithmetic number, because the mean of its divisors is an integer number (10434447).

Almost surely, 2^68880485 is an apocalyptic number.

It is an amenable number.

68880485 is a deficient number, since it is larger than the sum of its proper divisors (14595091).

68880485 is a wasteful number, since it uses less digits than its factorization.

68880485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136503.

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 68880485 is about 8299.4267874354. The cubic root of 68880485 is about 409.9196451686.

The spelling of 68880485 in words is "sixty-eight million, eight hundred eighty thousand, four hundred eighty-five".