68459955 has 16 divisors (see below), whose sum is σ = 112208544. Its totient is φ = 35621120.

The previous prime is 68459933. The next prime is 68460011. The reversal of 68459955 is 55995486.

It is not a de Polignac number, because 68459955 - 2¹² = 68455859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68459898 and 68459907.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 55044 + ... + 56273.

It is an arithmetic number, because the mean of its divisors is an integer number (7013034).

Almost surely, 2^68459955 is an apocalyptic number.

68459955 is a deficient number, since it is larger than the sum of its proper divisors (43748589).

68459955 is a wasteful number, since it uses less digits than its factorization.

68459955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111366.

The product of its digits is 1944000, while the sum is 51.

The square root of 68459955 is about 8274.0531180311. The cubic root of 68459955 is about 409.0837261814.

The spelling of 68459955 in words is "sixty-eight million, four hundred fifty-nine thousand, nine hundred fifty-five".