68407272853876 has 48 divisors (see below), whose sum is σ = 134554639000320. Its totient is φ = 30163320427520.

The previous prime is 68407272853873. The next prime is 68407272853901. The reversal of 68407272853876 is 67835827270486.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68407272853799 and 68407272853808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68407272853873) 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, 146133361 + ... + 146600728.

It is an arithmetic number, because the mean of its divisors is an integer number (2803221645840).

Almost surely, 2^{68407272853876} is an apocalyptic number.

It is an amenable number.

68407272853876 is a deficient number, since it is larger than the sum of its proper divisors (66147366146444).

68407272853876 is a wasteful number, since it uses less digits than its factorization.

68407272853876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292734264 (or 292734262 counting only the distinct ones).

The product of its (nonzero) digits is 1517322240, while the sum is 73.

The spelling of 68407272853876 in words is "sixty-eight trillion, four hundred seven billion, two hundred seventy-two million, eight hundred fifty-three thousand, eight hundred seventy-six".