80956481 has 8 divisors (see below), whose sum is σ = 86760384. Its totient is φ = 75342960.

The previous prime is 80956459. The next prime is 80956501. The reversal of 80956481 is 18465908.

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 80956481 - 2⁶ = 80956417 is a prime.

It is a super-2 number, since 2×80956481² = 13107903631806722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80956441) 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 7 ways as a sum of consecutive naturals, for example, 46715 + ... + 48416.

It is an arithmetic number, because the mean of its divisors is an integer number (10845048).

Almost surely, 2^80956481 is an apocalyptic number.

It is an amenable number.

80956481 is a deficient number, since it is larger than the sum of its proper divisors (5803903).

80956481 is a wasteful number, since it uses less digits than its factorization.

80956481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95191.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 80956481 is about 8997.5819529471. The cubic root of 80956481 is about 432.5973692366.

The spelling of 80956481 in words is "eighty million, nine hundred fifty-six thousand, four hundred eighty-one".