68144007774470 has 32 divisors (see below), whose sum is σ = 123877715150592. Its totient is φ = 26986943174112.

The previous prime is 68144007774467. The next prime is 68144007774481. The reversal of 68144007774470 is 7447770044186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761412 + ... + 11996391.

It is an arithmetic number, because the mean of its divisors is an integer number (3871178598456).

Almost surely, 2^{68144007774470} is an apocalyptic number.

68144007774470 is a deficient number, since it is larger than the sum of its proper divisors (55733707376122).

68144007774470 is a wasteful number, since it uses less digits than its factorization.

68144007774470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14762396.

The product of its (nonzero) digits is 29503488, while the sum is 59.

The spelling of 68144007774470 in words is "sixty-eight trillion, one hundred forty-four billion, seven million, seven hundred seventy-four thousand, four hundred seventy".