68783477 has 8 divisors (see below), whose sum is σ = 82747200. Its totient is φ = 55854144.

The previous prime is 68783441. The next prime is 68783509. The reversal of 68783477 is 77438786.

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

It is a cyclic number.

It is not a de Polignac number, because 68783477 - 2⁶ = 68783413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68783437) 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 in 7 ways as a sum of consecutive naturals, for example, 258452 + ... + 258717.

It is an arithmetic number, because the mean of its divisors is an integer number (10343400).

Almost surely, 2^68783477 is an apocalyptic number.

It is an amenable number.

68783477 is a deficient number, since it is larger than the sum of its proper divisors (13963723).

68783477 is a wasteful number, since it uses less digits than its factorization.

68783477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517195.

The product of its digits is 1580544, while the sum is 50.

The square root of 68783477 is about 8293.5804692545. The cubic root of 68783477 is about 409.7271176455.

The spelling of 68783477 in words is "sixty-eight million, seven hundred eighty-three thousand, four hundred seventy-seven".