80908429 has 4 divisors (see below), whose sum is σ = 92466784. Its totient is φ = 69350076.

The previous prime is 80908427. The next prime is 80908433. The reversal of 80908429 is 92480908.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80908429 - 2¹ = 80908427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80908391 and 80908400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80908427) 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 in 3 ways as a sum of consecutive naturals, for example, 5779167 + ... + 5779180.

It is an arithmetic number, because the mean of its divisors is an integer number (23116696).

Almost surely, 2^80908429 is an apocalyptic number.

It is an amenable number.

80908429 is a deficient number, since it is larger than the sum of its proper divisors (11558355).

80908429 is a wasteful number, since it uses less digits than its factorization.

80908429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558354.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 80908429 is about 8994.9112836092. The cubic root of 80908429 is about 432.5117624074.

The spelling of 80908429 in words is "eighty million, nine hundred eight thousand, four hundred twenty-nine".