82589687 has 2 divisors, whose sum is σ = 82589688. Its totient is φ = 82589686.

The previous prime is 82589671. The next prime is 82589701. The reversal of 82589687 is 78698528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82589687 - 2⁴ = 82589671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82583687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41294843 + 41294844.

It is an arithmetic number, because the mean of its divisors is an integer number (41294844).

Almost surely, 2^82589687 is an apocalyptic number.

82589687 is a deficient number, since it is larger than the sum of its proper divisors (1).

82589687 is an equidigital number, since it uses as much as digits as its factorization.

82589687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 53.

The square root of 82589687 is about 9087.8868280806. The cubic root of 82589687 is about 435.4870784853.

The spelling of 82589687 in words is "eighty-two million, five hundred eighty-nine thousand, six hundred eighty-seven".