6868780535 has 8 divisors (see below), whose sum is σ = 8676354480. Its totient is φ = 5205812544.

The previous prime is 6868780511. The next prime is 6868780537. The reversal of 6868780535 is 5350878686.

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-6868780535 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868780537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36151382 + ... + 36151571.

It is an arithmetic number, because the mean of its divisors is an integer number (1084544310).

Almost surely, 2^6868780535 is an apocalyptic number.

6868780535 is a deficient number, since it is larger than the sum of its proper divisors (1807573945).

6868780535 is a wasteful number, since it uses less digits than its factorization.

6868780535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72302977.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The square root of 6868780535 is about 82878.1064877812. The cubic root of 6868780535 is about 1900.9026675766.

The spelling of 6868780535 in words is "six billion, eight hundred sixty-eight million, seven hundred eighty thousand, five hundred thirty-five".