68355087 has 8 divisors (see below), whose sum is σ = 91241136. Its totient is φ = 45519552.

The previous prime is 68355047. The next prime is 68355101. The reversal of 68355087 is 78055386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68355087 - 2¹⁰ = 68354063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68355047) 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, 9348 + ... + 14969.

It is an arithmetic number, because the mean of its divisors is an integer number (11405142).

Almost surely, 2^68355087 is an apocalyptic number.

68355087 is a deficient number, since it is larger than the sum of its proper divisors (22886049).

68355087 is a wasteful number, since it uses less digits than its factorization.

68355087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25257.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 68355087 is about 8267.7135291446. The cubic root of 68355087 is about 408.8747392113.

The spelling of 68355087 in words is "sixty-eight million, three hundred fifty-five thousand, eighty-seven".