80708356 has 6 divisors (see below), whose sum is σ = 141239630. Its totient is φ = 40354176.

The previous prime is 80708351. The next prime is 80708399. The reversal of 80708356 is 65380708.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 17505856 = 7950^2 + 4184^2 .

It is not an unprimeable number, because it can be changed into a prime (80708351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10088541 + ... + 10088548.

Almost surely, 2^80708356 is an apocalyptic number.

It is an amenable number.

80708356 is a deficient number, since it is larger than the sum of its proper divisors (60531274).

80708356 is a wasteful number, since it uses less digits than its factorization.

80708356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20177093 (or 20177091 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80708356 is about 8983.7829448401. The cubic root of 80708356 is about 432.1549584130.

The spelling of 80708356 in words is "eighty million, seven hundred eight thousand, three hundred fifty-six".