80566955 has 16 divisors (see below), whose sum is σ = 110821824. Its totient is φ = 55080960.

The previous prime is 80566951. The next prime is 80566963. The reversal of 80566955 is 55966508.

It is not a de Polignac number, because 80566955 - 2² = 80566951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80566951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9095 + ... + 15615.

It is an arithmetic number, because the mean of its divisors is an integer number (6926364).

Almost surely, 2^80566955 is an apocalyptic number.

80566955 is a deficient number, since it is larger than the sum of its proper divisors (30254869).

80566955 is a wasteful number, since it uses less digits than its factorization.

80566955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 80566955 is about 8975.9097032000. The cubic root of 80566955 is about 431.9024324555.

The spelling of 80566955 in words is "eighty million, five hundred sixty-six thousand, nine hundred fifty-five".