80858281 has 12 divisors (see below), whose sum is σ = 99011280. Its totient is φ = 65658600.

The previous prime is 80858263. The next prime is 80858291. The reversal of 80858281 is 18285808.

It is not a de Polignac number, because 80858281 - 2⁵ = 80858249 is a prime.

It is a super-2 number, since 2×80858281² = 13076123212549922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80858221) 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 11 ways as a sum of consecutive naturals, for example, 42495 + ... + 44356.

It is an arithmetic number, because the mean of its divisors is an integer number (8250940).

Almost surely, 2^80858281 is an apocalyptic number.

It is an amenable number.

80858281 is a deficient number, since it is larger than the sum of its proper divisors (18152999).

80858281 is a wasteful number, since it uses less digits than its factorization.

80858281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86884 (or 86877 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 40.

The square root of 80858281 is about 8992.1232754005. The cubic root of 80858281 is about 432.4223853062.

The spelling of 80858281 in words is "eighty million, eight hundred fifty-eight thousand, two hundred eighty-one".