82425887 has 2 divisors, whose sum is σ = 82425888. Its totient is φ = 82425886.

The previous prime is 82425851. The next prime is 82425901. The reversal of 82425887 is 78852428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82425887 - 2¹⁸ = 82163743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82425487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41212943 + 41212944.

It is an arithmetic number, because the mean of its divisors is an integer number (41212944).

Almost surely, 2^82425887 is an apocalyptic number.

82425887 is a deficient number, since it is larger than the sum of its proper divisors (1).

82425887 is an equidigital number, since it uses as much as digits as its factorization.

82425887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 44.

The square root of 82425887 is about 9078.8703592462. The cubic root of 82425887 is about 435.1989876588.

The spelling of 82425887 in words is "eighty-two million, four hundred twenty-five thousand, eight hundred eighty-seven".