80774397751726 has 24 divisors (see below), whose sum is σ = 140950334901456. Its totient is φ = 34615817570880.

The previous prime is 80774397751721. The next prime is 80774397751753. The reversal of 80774397751726 is 62715779347708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80774397751721) 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 11 ways as a sum of consecutive naturals, for example, 19292986 + ... + 23103421.

It is an arithmetic number, because the mean of its divisors is an integer number (5872930620894).

It is a 2-persistent number, because it is pandigital, and so is 2⋅80774397751726 = 161548795503452, but 3⋅80774397751726 = 242323193255178 is not.

Almost surely, 2^{80774397751726} is an apocalyptic number.

80774397751726 is a deficient number, since it is larger than the sum of its proper divisors (60175937149730).

80774397751726 is a wasteful number, since it uses less digits than its factorization.

80774397751726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42415864 (or 42415857 counting only the distinct ones).

The product of its (nonzero) digits is 871274880, while the sum is 73.

The spelling of 80774397751726 in words is "eighty trillion, seven hundred seventy-four billion, three hundred ninety-seven million, seven hundred fifty-one thousand, seven hundred twenty-six".