80857301 has 12 divisors (see below), whose sum is σ = 95120460. Its totient is φ = 68523840.

The previous prime is 80857297. The next prime is 80857303. The reversal of 80857301 is 10375808.

It can be written as a sum of positive squares in 2 ways, for example, as 26112100 + 54745201 = 5110^2 + 7399^2 .

It is not a de Polignac number, because 80857301 - 2² = 80857297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80857303) 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, 4910 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (7926705).

Almost surely, 2^80857301 is an apocalyptic number.

It is an amenable number.

80857301 is a deficient number, since it is larger than the sum of its proper divisors (14263159).

80857301 is a wasteful number, since it uses less digits than its factorization.

80857301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644 (or 18637 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 80857301 is about 8992.0687830999. The cubic root of 80857301 is about 432.4206383169.

The spelling of 80857301 in words is "eighty million, eight hundred fifty-seven thousand, three hundred one".