80436365 has 8 divisors (see below), whose sum is σ = 96982368. Its totient is φ = 64043280.

The previous prime is 80436353. The next prime is 80436371. The reversal of 80436365 is 56363408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80436365 - 2¹² = 80432269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37067 + ... + 39176.

It is an arithmetic number, because the mean of its divisors is an integer number (12122796).

Almost surely, 2^80436365 is an apocalyptic number.

It is an amenable number.

80436365 is a deficient number, since it is larger than the sum of its proper divisors (16546003).

80436365 is a wasteful number, since it uses less digits than its factorization.

80436365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76459.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 80436365 is about 8968.6322814574. The cubic root of 80436365 is about 431.6689511233.

The spelling of 80436365 in words is "eighty million, four hundred thirty-six thousand, three hundred sixty-five".