68384787 has 8 divisors (see below), whose sum is σ = 92900304. Its totient is φ = 44729568.

The previous prime is 68384759. The next prime is 68384821. The reversal of 68384787 is 78748386.

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

It is not a de Polignac number, because 68384787 - 2¹² = 68380691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68384707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214888 + ... + 215205.

It is an arithmetic number, because the mean of its divisors is an integer number (11612538).

Almost surely, 2^68384787 is an apocalyptic number.

68384787 is a deficient number, since it is larger than the sum of its proper divisors (24515517).

68384787 is a wasteful number, since it uses less digits than its factorization.

68384787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430149.

The product of its digits is 1806336, while the sum is 51.

The square root of 68384787 is about 8269.5094775930. The cubic root of 68384787 is about 408.9339487592.

The spelling of 68384787 in words is "sixty-eight million, three hundred eighty-four thousand, seven hundred eighty-seven".