68863678 has 16 divisors (see below), whose sum is σ = 111431376. Its totient is φ = 31728960.

The previous prime is 68863673. The next prime is 68863721. The reversal of 68863678 is 87636886.

It is a super-2 number, since 2×68863678² = 9484412295375368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68863673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16050 + ... + 19882.

It is an arithmetic number, because the mean of its divisors is an integer number (6964461).

Almost surely, 2^68863678 is an apocalyptic number.

68863678 is a deficient number, since it is larger than the sum of its proper divisors (42567698).

68863678 is a wasteful number, since it uses less digits than its factorization.

68863678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539.

The product of its digits is 2322432, while the sum is 52.

The square root of 68863678 is about 8298.4141858550. The cubic root of 68863678 is about 409.8863020047.

The spelling of 68863678 in words is "sixty-eight million, eight hundred sixty-three thousand, six hundred seventy-eight".