68076780253 has 8 divisors (see below), whose sum is σ = 71688355200. Its totient is φ = 64519514928.

The previous prime is 68076780241. The next prime is 68076780263. The reversal of 68076780253 is 35208767086.

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 68076780253 - 2⁹ = 68076779741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68076780253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68076780263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13574833 + ... + 13579846.

It is an arithmetic number, because the mean of its divisors is an integer number (8961044400).

Almost surely, 2^68076780253 is an apocalyptic number.

It is an amenable number.

68076780253 is a deficient number, since it is larger than the sum of its proper divisors (3611574947).

68076780253 is a wasteful number, since it uses less digits than its factorization.

68076780253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27154811.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 68076780253 in words is "sixty-eight billion, seventy-six million, seven hundred eighty thousand, two hundred fifty-three".