80129908 has 36 divisors (see below), whose sum is σ = 152402796. Its totient is φ = 36736000.

The previous prime is 80129899. The next prime is 80129909. The reversal of 80129908 is 80992108.

It can be written as a sum of positive squares in 6 ways, for example, as 3602404 + 76527504 = 1898^2 + 8748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80129909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113958 + ... + 114658.

It is an arithmetic number, because the mean of its divisors is an integer number (4233411).

Almost surely, 2^80129908 is an apocalyptic number.

It is an amenable number.

80129908 is a deficient number, since it is larger than the sum of its proper divisors (72272888).

80129908 is a wasteful number, since it uses less digits than its factorization.

80129908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 80129908 is about 8951.5310422296. The cubic root of 80129908 is about 431.1200437937.

The spelling of 80129908 in words is "eighty million, one hundred twenty-nine thousand, nine hundred eight".