67779558323 has 8 divisors (see below), whose sum is σ = 69071119200. Its totient is φ = 66488467968.

The previous prime is 67779558317. The next prime is 67779558359. The reversal of 67779558323 is 32385597776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67779558323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67779558313) 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, 180338 + ... + 409976.

It is an arithmetic number, because the mean of its divisors is an integer number (8633889900).

Almost surely, 2^67779558323 is an apocalyptic number.

67779558323 is a deficient number, since it is larger than the sum of its proper divisors (1291560877).

67779558323 is a wasteful number, since it uses less digits than its factorization.

67779558323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235261.

The product of its digits is 66679200, while the sum is 62.

The spelling of 67779558323 in words is "sixty-seven billion, seven hundred seventy-nine million, five hundred fifty-eight thousand, three hundred twenty-three".