68476967845 has 32 divisors (see below), whose sum is σ = 96581890944. Its totient is φ = 45949728000.

The previous prime is 68476967773. The next prime is 68476967849. The reversal of 68476967845 is 54876967486.

It is not a de Polignac number, because 68476967845 - 2⁹ = 68476967333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68476967849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1647570 + ... + 1688620.

It is an arithmetic number, because the mean of its divisors is an integer number (3018184092).

Almost surely, 2^68476967845 is an apocalyptic number.

68476967845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68476967845 is a deficient number, since it is larger than the sum of its proper divisors (28104923099).

68476967845 is a wasteful number, since it uses less digits than its factorization.

68476967845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43413.

The product of its digits is 487710720, while the sum is 70.

The spelling of 68476967845 in words is "sixty-eight billion, four hundred seventy-six million, nine hundred sixty-seven thousand, eight hundred forty-five".