80623305 has 24 divisors (see below), whose sum is σ = 159711552. Its totient is φ = 36856224.

The previous prime is 80623297. The next prime is 80623321. The reversal of 80623305 is 50332608.

80623305 is a `hidden beast` number, since 8 + 0 + 623 + 30 + 5 = 666.

It is not a de Polignac number, because 80623305 - 2³ = 80623297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127659 + ... + 128288.

It is an arithmetic number, because the mean of its divisors is an integer number (6654648).

Almost surely, 2^80623305 is an apocalyptic number.

It is an amenable number.

80623305 is a deficient number, since it is larger than the sum of its proper divisors (79088247).

80623305 is a wasteful number, since it uses less digits than its factorization.

80623305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255965 (or 255962 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 80623305 is about 8979.0481121330. The cubic root of 80623305 is about 432.0031024726.

The spelling of 80623305 in words is "eighty million, six hundred twenty-three thousand, three hundred five".