68260881 has 16 divisors (see below), whose sum is σ = 98973056. Its totient is φ = 41596416.

The previous prime is 68260879. The next prime is 68260883. The reversal of 68260881 is 18806286.

It is an interprime number because it is at equal distance from previous prime (68260879) and next prime (68260883).

It is not a de Polignac number, because 68260881 - 2¹ = 68260879 is a prime.

It is a super-2 number, since 2×68260881² = 9319095749792322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (68260883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4480 + ... + 12513.

It is an arithmetic number, because the mean of its divisors is an integer number (6185816).

Almost surely, 2^68260881 is an apocalyptic number.

It is an amenable number.

68260881 is a deficient number, since it is larger than the sum of its proper divisors (30712175).

68260881 is a wasteful number, since it uses less digits than its factorization.

68260881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17112.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 68260881 is about 8262.0143427617. The cubic root of 68260881 is about 408.6868177552.

The spelling of 68260881 in words is "sixty-eight million, two hundred sixty thousand, eight hundred eighty-one".