68538854 has 4 divisors (see below), whose sum is σ = 102808284. Its totient is φ = 34269426.

The previous prime is 68538829. The next prime is 68538857. The reversal of 68538854 is 45883586.

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

It is a junction number, because it is equal to n+sod(n) for n = 68538799 and 68538808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68538857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17134712 + ... + 17134715.

It is an arithmetic number, because the mean of its divisors is an integer number (25702071).

Almost surely, 2^68538854 is an apocalyptic number.

68538854 is a deficient number, since it is larger than the sum of its proper divisors (34269430).

68538854 is a wasteful number, since it uses less digits than its factorization.

68538854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34269429.

The product of its digits is 921600, while the sum is 47.

The square root of 68538854 is about 8278.8196018515. The cubic root of 68538854 is about 409.2408199916.

The spelling of 68538854 in words is "sixty-eight million, five hundred thirty-eight thousand, eight hundred fifty-four".