68880187 has 8 divisors (see below), whose sum is σ = 72616400. Its totient is φ = 65155104.

The previous prime is 68880169. The next prime is 68880197. The reversal of 68880187 is 78108886.

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

It is not a de Polignac number, because 68880187 - 2¹⁵ = 68847419 is a prime.

It is a super-2 number, since 2×68880187² = 9488960322309938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68880127) 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 7 ways as a sum of consecutive naturals, for example, 11989 + ... + 16777.

It is an arithmetic number, because the mean of its divisors is an integer number (9077050).

Almost surely, 2^68880187 is an apocalyptic number.

68880187 is a deficient number, since it is larger than the sum of its proper divisors (3736213).

68880187 is a wasteful number, since it uses less digits than its factorization.

68880187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 68880187 is about 8299.4088343689. The cubic root of 68880187 is about 409.9190540180.

The spelling of 68880187 in words is "sixty-eight million, eight hundred eighty thousand, one hundred eighty-seven".