80687688531270 has 32 divisors (see below), whose sum is σ = 193655120278752. Its totient is φ = 21516198296832.

The previous prime is 80687688531259. The next prime is 80687688531299. The reversal of 80687688531270 is 7213588678608.

It is a junction number, because it is equal to n+sod(n) for n = 80687688531195 and 80687688531204.

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, 31149157 + ... + 33639936.

It is an arithmetic number, because the mean of its divisors is an integer number (6051722508711).

Almost surely, 2^{80687688531270} is an apocalyptic number.

80687688531270 is an abundant number, since it is smaller than the sum of its proper divisors (112967431747482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80687688531270 is a wasteful number, since it uses less digits than its factorization.

80687688531270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64830616.

The product of its (nonzero) digits is 216760320, while the sum is 69.

The spelling of 80687688531270 in words is "eighty trillion, six hundred eighty-seven billion, six hundred eighty-eight million, five hundred thirty-one thousand, two hundred seventy".