80885641 has 16 divisors (see below), whose sum is σ = 89303040. Its totient is φ = 72919440.

The previous prime is 80885633. The next prime is 80885659. The reversal of 80885641 is 14658808.

It is a cyclic number.

It is not a de Polignac number, because 80885641 - 2³ = 80885633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80885594 and 80885603.

It is not an unprimeable number, because it can be changed into a prime (80885621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118086 + ... + 118768.

It is an arithmetic number, because the mean of its divisors is an integer number (5581440).

Almost surely, 2^80885641 is an apocalyptic number.

It is an amenable number.

80885641 is a deficient number, since it is larger than the sum of its proper divisors (8417399).

80885641 is a wasteful number, since it uses less digits than its factorization.

80885641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 80885641 is about 8993.6444781857. The cubic root of 80885641 is about 432.4711526975.

The spelling of 80885641 in words is "eighty million, eight hundred eighty-five thousand, six hundred forty-one".