68567515040782 has 4 divisors (see below), whose sum is σ = 102851272561176. Its totient is φ = 34283757520390.

The previous prime is 68567515040741. The next prime is 68567515040837. The reversal of 68567515040782 is 28704051576586.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17141878760194 + ... + 17141878760197.

It is an arithmetic number, because the mean of its divisors is an integer number (25712818140294).

Almost surely, 2^{68567515040782} is an apocalyptic number.

68567515040782 is a deficient number, since it is larger than the sum of its proper divisors (34283757520394).

68567515040782 is a wasteful number, since it uses less digits than its factorization.

68567515040782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34283757520393.

The product of its (nonzero) digits is 112896000, while the sum is 64.

The spelling of 68567515040782 in words is "sixty-eight trillion, five hundred sixty-seven billion, five hundred fifteen million, forty thousand, seven hundred eighty-two".