68763345947 has 8 divisors (see below), whose sum is σ = 69225930912. Its totient is φ = 68300856000.

The previous prime is 68763345941. The next prime is 68763345971. The reversal of 68763345947 is 74954336786.

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 68763345947 - 2¹⁸ = 68763083803 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 68763345947.

It is not an unprimeable number, because it can be changed into a prime (68763345941) 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, 2008997 + ... + 2042937.

It is an arithmetic number, because the mean of its divisors is an integer number (8653241364).

Almost surely, 2^68763345947 is an apocalyptic number.

68763345947 is a deficient number, since it is larger than the sum of its proper divisors (462584965).

68763345947 is a wasteful number, since it uses less digits than its factorization.

68763345947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47509.

The product of its digits is 91445760, while the sum is 62.

The spelling of 68763345947 in words is "sixty-eight billion, seven hundred sixty-three million, three hundred forty-five thousand, nine hundred forty-seven".