80688725621330 has 16 divisors (see below), whose sum is σ = 145842360504984. Its totient is φ = 32141567051520.

The previous prime is 80688725621297. The next prime is 80688725621333. The reversal of 80688725621330 is 3312652788608.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49305436499089 + 31383289122241 = 7021783^2 + 5602079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80688725621330.

It is not an unprimeable number, because it can be changed into a prime (80688725621333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16740397097 + ... + 16740401916.

Almost surely, 2^{80688725621330} is an apocalyptic number.

80688725621330 is a deficient number, since it is larger than the sum of its proper divisors (65153634883654).

80688725621330 is a wasteful number, since it uses less digits than its factorization.

80688725621330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33480799261.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 80688725621330 in words is "eighty trillion, six hundred eighty-eight billion, seven hundred twenty-five million, six hundred twenty-one thousand, three hundred thirty".