80087261 has 8 divisors (see below), whose sum is σ = 84409920. Its totient is φ = 75775392.

The previous prime is 80087257. The next prime is 80087269. The reversal of 80087261 is 16278008.

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 80087261 - 2² = 80087257 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 (80087269) 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, 15896 + ... + 20318.

It is an arithmetic number, because the mean of its divisors is an integer number (10551240).

Almost surely, 2^80087261 is an apocalyptic number.

It is an amenable number.

80087261 is a deficient number, since it is larger than the sum of its proper divisors (4322659).

80087261 is a wasteful number, since it uses less digits than its factorization.

80087261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 80087261 is about 8949.1486187235. The cubic root of 80087261 is about 431.0435461840.

The spelling of 80087261 in words is "eighty million, eighty-seven thousand, two hundred sixty-one".