68876131 has 4 divisors (see below), whose sum is σ = 71251200. Its totient is φ = 66501064.

The previous prime is 68876117. The next prime is 68876167. The reversal of 68876131 is 13167886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68876131 - 2²³ = 60487523 is a prime.

It is a super-2 number, since 2×68876131² = 9487842843058322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68876531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187491 + ... + 1187548.

It is an arithmetic number, because the mean of its divisors is an integer number (17812800).

Almost surely, 2^68876131 is an apocalyptic number.

68876131 is a deficient number, since it is larger than the sum of its proper divisors (2375069).

68876131 is a wasteful number, since it uses less digits than its factorization.

68876131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375068.

The product of its digits is 48384, while the sum is 40.

The square root of 68876131 is about 8299.1644760181. The cubic root of 68876131 is about 409.9110078517.

The spelling of 68876131 in words is "sixty-eight million, eight hundred seventy-six thousand, one hundred thirty-one".