82580887 has 2 divisors, whose sum is σ = 82580888. Its totient is φ = 82580886.

The previous prime is 82580867. The next prime is 82580899. The reversal of 82580887 is 78808528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82580887 - 2¹⁵ = 82548119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82580857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41290443 + 41290444.

It is an arithmetic number, because the mean of its divisors is an integer number (41290444).

Almost surely, 2^82580887 is an apocalyptic number.

82580887 is a deficient number, since it is larger than the sum of its proper divisors (1).

82580887 is an equidigital number, since it uses as much as digits as its factorization.

82580887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 46.

The square root of 82580887 is about 9087.4026542241. The cubic root of 82580887 is about 435.4716107655.

The spelling of 82580887 in words is "eighty-two million, five hundred eighty thousand, eight hundred eighty-seven".