80909601 has 4 divisors (see below), whose sum is σ = 107879472. Its totient is φ = 53939732.

The previous prime is 80909567. The next prime is 80909603. The reversal of 80909601 is 10690908.

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 80909601 - 2¹⁰ = 80908577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80909603) 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, 13484931 + ... + 13484936.

It is an arithmetic number, because the mean of its divisors is an integer number (26969868).

Almost surely, 2^80909601 is an apocalyptic number.

It is an amenable number.

80909601 is a deficient number, since it is larger than the sum of its proper divisors (26969871).

80909601 is a wasteful number, since it uses less digits than its factorization.

80909601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26969870.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 80909601 is about 8994.9764313199. The cubic root of 80909601 is about 432.5138507821.

The spelling of 80909601 in words is "eighty million, nine hundred nine thousand, six hundred one".