80929269 has 6 divisors (see below), whose sum is σ = 116897846. Its totient is φ = 53952840.

The previous prime is 80929267. The next prime is 80929273. The reversal of 80929269 is 96292908.

It can be written as a sum of positive squares in only one way, i.e., 59861169 + 21068100 = 7737^2 + 4590^2 .

It is not a de Polignac number, because 80929269 - 2¹ = 80929267 is a prime.

It is a super-2 number, since 2×80929269² = 13099093161748722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80929267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4496062 + ... + 4496079.

Almost surely, 2^80929269 is an apocalyptic number.

It is an amenable number.

80929269 is a deficient number, since it is larger than the sum of its proper divisors (35968577).

80929269 is a wasteful number, since it uses less digits than its factorization.

80929269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992147 (or 8992144 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 80929269 is about 8996.0696417936. The cubic root of 80929269 is about 432.5488939790.

The spelling of 80929269 in words is "eighty million, nine hundred twenty-nine thousand, two hundred sixty-nine".