80200861 has 8 divisors (see below), whose sum is σ = 87261944. Its totient is φ = 73267200.

The previous prime is 80200859. The next prime is 80200871. The reversal of 80200861 is 16800208.

It can be written as a sum of positive squares in 4 ways, for example, as 12467961 + 67732900 = 3531^2 + 8230^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80200861 - 2¹ = 80200859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80200801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30540 + ... + 33061.

It is an arithmetic number, because the mean of its divisors is an integer number (10907743).

Almost surely, 2^80200861 is an apocalyptic number.

It is an amenable number.

80200861 is a deficient number, since it is larger than the sum of its proper divisors (7061083).

80200861 is a wasteful number, since it uses less digits than its factorization.

80200861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63711.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 80200861 is about 8955.4933420778. The cubic root of 80200861 is about 431.2472548730.

The spelling of 80200861 in words is "eighty million, two hundred thousand, eight hundred sixty-one".