2068784005357 has 8 divisors (see below), whose sum is σ = 2178735422400. Its totient is φ = 1958939393184.

The previous prime is 2068784005313. The next prime is 2068784005367. The reversal of 2068784005357 is 7535004878602.

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-2068784005357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2068784005298 and 2068784005307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068784005307) 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, 26661448 + ... + 26738929.

It is an arithmetic number, because the mean of its divisors is an integer number (272341927800).

Almost surely, 2^{2068784005357} is an apocalyptic number.

It is an amenable number.

2068784005357 is a deficient number, since it is larger than the sum of its proper divisors (109951417043).

2068784005357 is a wasteful number, since it uses less digits than its factorization.

2068784005357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53402435.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 2068784005357 in words is "two trillion, sixty-eight billion, seven hundred eighty-four million, five thousand, three hundred fifty-seven".