80858673 has 36 divisors (see below), whose sum is σ = 136750068. Its totient is φ = 45904320.

The previous prime is 80858671. The next prime is 80858677. The reversal of 80858673 is 37685808.

It can be written as a sum of positive squares in 2 ways, for example, as 451584 + 80407089 = 672^2 + 8967^2 .

It is not a de Polignac number, because 80858673 - 2¹ = 80858671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80858671) 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 35 ways as a sum of consecutive naturals, for example, 79315 + ... + 80327.

It is an arithmetic number, because the mean of its divisors is an integer number (3798613).

Almost surely, 2^80858673 is an apocalyptic number.

It is an amenable number.

80858673 is a deficient number, since it is larger than the sum of its proper divisors (55891395).

80858673 is a wasteful number, since it uses less digits than its factorization.

80858673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 80858673 is about 8992.1450722283. The cubic root of 80858673 is about 432.4230840979.

The spelling of 80858673 in words is "eighty million, eight hundred fifty-eight thousand, six hundred seventy-three".