80712955 has 8 divisors (see below), whose sum is σ = 97162992. Its totient is φ = 64365408.

The previous prime is 80712949. The next prime is 80712967. The reversal of 80712955 is 55921708.

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

It is a cyclic number.

It is not a de Polignac number, because 80712955 - 2¹¹ = 80710907 is a prime.

It is a super-2 number, since 2×80712955² = 13029162209664050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23877 + ... + 27046.

It is an arithmetic number, because the mean of its divisors is an integer number (12145374).

Almost surely, 2^80712955 is an apocalyptic number.

80712955 is a deficient number, since it is larger than the sum of its proper divisors (16450037).

80712955 is a wasteful number, since it uses less digits than its factorization.

80712955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51245.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 80712955 is about 8984.0389024091. The cubic root of 80712955 is about 432.1631667448.

It can be divided in two parts, 8071 and 2955, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 80712955 in words is "eighty million, seven hundred twelve thousand, nine hundred fifty-five".