80365686726500 has 96 divisors (see below), whose sum is σ = 203992631781120. Its totient is φ = 27086933568000.

The previous prime is 80365686726499. The next prime is 80365686726503. The reversal of 80365686726500 is 562768656308.

It is not an unprimeable number, because it can be changed into a prime (80365686726503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194383541 + ... + 194796540.

It is an arithmetic number, because the mean of its divisors is an integer number (2124923247720).

Almost surely, 2^{80365686726500} is an apocalyptic number.

It is an amenable number.

80365686726500 is an abundant number, since it is smaller than the sum of its proper divisors (123626945054620).

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

80365686726500 is a wasteful number, since it uses less digits than its factorization.

80365686726500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389180166 (or 389180154 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 62.

The spelling of 80365686726500 in words is "eighty trillion, three hundred sixty-five billion, six hundred eighty-six million, seven hundred twenty-six thousand, five hundred".