68794252790 has 16 divisors (see below), whose sum is σ = 124100625312. Its totient is φ = 27457485504.

The previous prime is 68794252789. The next prime is 68794252799. The reversal of 68794252790 is 9725249786.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68794252799) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7522154 + ... + 7531293.

It is an arithmetic number, because the mean of its divisors is an integer number (7756289082).

Almost surely, 2^68794252790 is an apocalyptic number.

68794252790 is a deficient number, since it is larger than the sum of its proper divisors (55306372522).

68794252790 is a wasteful number, since it uses less digits than its factorization.

68794252790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053911.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 68794252790 in words is "sixty-eight billion, seven hundred ninety-four million, two hundred fifty-two thousand, seven hundred ninety".