68881353 has 16 divisors (see below), whose sum is σ = 95012736. Its totient is φ = 44357760.

The previous prime is 68881339. The next prime is 68881363. The reversal of 68881353 is 35318886.

It is not a de Polignac number, because 68881353 - 2¹⁸ = 68619209 is a prime.

It is a super-2 number, since 2×68881353² = 9489281582221218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68881333) 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, 9951 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (5938296).

Almost surely, 2^68881353 is an apocalyptic number.

It is an amenable number.

68881353 is a deficient number, since it is larger than the sum of its proper divisors (26131383).

68881353 is a wasteful number, since it uses less digits than its factorization.

68881353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584.

The product of its digits is 138240, while the sum is 42.

The square root of 68881353 is about 8299.4790800387. The cubic root of 68881353 is about 409.9213670339.

The spelling of 68881353 in words is "sixty-eight million, eight hundred eighty-one thousand, three hundred fifty-three".