80681334 has 36 divisors (see below), whose sum is σ = 171189396. Its totient is φ = 25346304.

The previous prime is 80681311. The next prime is 80681339. The reversal of 80681334 is 43318608.

It is a junction number, because it is equal to n+sod(n) for n = 80681295 and 80681304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80681339) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 417942 + ... + 418134.

It is an arithmetic number, because the mean of its divisors is an integer number (4755261).

Almost surely, 2^80681334 is an apocalyptic number.

80681334 is an abundant number, since it is smaller than the sum of its proper divisors (90508062).

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

80681334 is a wasteful number, since it uses less digits than its factorization.

80681334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80681334 is about 8982.2788867859. The cubic root of 80681334 is about 432.1067230324.

Multiplying 80681334 by its product of nonzero digits (13824), we get a square (1115338761216 = 1056096²).

The spelling of 80681334 in words is "eighty million, six hundred eighty-one thousand, three hundred thirty-four".