10005678 has 12 divisors (see below), whose sum is σ = 21679008. Its totient is φ = 3335220.

The previous prime is 10005661. The next prime is 10005679. The reversal of 10005678 is 87650001.

10005678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10005678² = 200227184479368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277918 + ... + 277953.

It is an arithmetic number, because the mean of its divisors is an integer number (1806584).

Almost surely, 2^10005678 is an apocalyptic number.

10005678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10005678 is an abundant number, since it is smaller than the sum of its proper divisors (11673330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10005678 is a wasteful number, since it uses less digits than its factorization.

10005678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555879 (or 555876 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 10005678 is about 3163.1753033937. The cubic root of 10005678 is about 215.4842375553.

Adding to 10005678 its reverse (87650001), we get a palindrome (97655679).

The spelling of 10005678 in words is "ten million, five thousand, six hundred seventy-eight".