80738356 has 12 divisors (see below), whose sum is σ = 141468768. Its totient is φ = 40318712.

The previous prime is 80738351. The next prime is 80738369. The reversal of 80738356 is 65383708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80738351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8896 + ... + 15511.

It is an arithmetic number, because the mean of its divisors is an integer number (11789064).

Almost surely, 2^80738356 is an apocalyptic number.

It is an amenable number.

80738356 is a deficient number, since it is larger than the sum of its proper divisors (60730412).

80738356 is a wasteful number, since it uses less digits than its factorization.

80738356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25238 (or 25236 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 80738356 is about 8985.4524649569. The cubic root of 80738356 is about 432.2084970359.

The spelling of 80738356 in words is "eighty million, seven hundred thirty-eight thousand, three hundred fifty-six".