68456077546 has 32 divisors (see below), whose sum is σ = 109939484160. Its totient is φ = 31909464000.

The previous prime is 68456077537. The next prime is 68456077549. The reversal of 68456077546 is 64577065486.

It is not an unprimeable number, because it can be changed into a prime (68456077549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83965 + ... + 379423.

It is an arithmetic number, because the mean of its divisors is an integer number (3435608880).

Almost surely, 2^68456077546 is an apocalyptic number.

68456077546 is a deficient number, since it is larger than the sum of its proper divisors (41483406614).

68456077546 is a wasteful number, since it uses less digits than its factorization.

68456077546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295630.

The product of its (nonzero) digits is 33868800, while the sum is 58.

The spelling of 68456077546 in words is "sixty-eight billion, four hundred fifty-six million, seventy-seven thousand, five hundred forty-six".