80613885 has 32 divisors (see below), whose sum is σ = 141852672. Its totient is φ = 38767680.

The previous prime is 80613839. The next prime is 80613889. The reversal of 80613885 is 58831608.

It is a happy number.

It is not a de Polignac number, because 80613885 - 2⁶ = 80613821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80613889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19032 + ... + 22878.

It is an arithmetic number, because the mean of its divisors is an integer number (4432896).

Almost surely, 2^80613885 is an apocalyptic number.

It is an amenable number.

80613885 is a deficient number, since it is larger than the sum of its proper divisors (61238787).

80613885 is a wasteful number, since it uses less digits than its factorization.

80613885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 80613885 is about 8978.5235423203. The cubic root of 80613885 is about 431.9862767846.

The spelling of 80613885 in words is "eighty million, six hundred thirteen thousand, eight hundred eighty-five".