80956744 has 32 divisors (see below), whose sum is σ = 166983840. Its totient is φ = 36793680.

The previous prime is 80956727. The next prime is 80956753. The reversal of 80956744 is 44765908.

It is a self number, because there is not a number n which added to its sum of digits gives 80956744.

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, 6847 + ... + 14449.

It is an arithmetic number, because the mean of its divisors is an integer number (5218245).

Almost surely, 2^80956744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80956744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83491920).

80956744 is an abundant number, since it is smaller than the sum of its proper divisors (86027096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80956744 is a wasteful number, since it uses less digits than its factorization.

80956744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642 (or 7616 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 80956744 is about 8997.5965679730. The cubic root of 80956744 is about 432.5978376899.

The spelling of 80956744 in words is "eighty million, nine hundred fifty-six thousand, seven hundred forty-four".