89820002687 has 2 divisors, whose sum is σ = 89820002688. Its totient is φ = 89820002686.

The previous prime is 89820002593. The next prime is 89820002719. The reversal of 89820002687 is 78620002898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89820002687 - 2¹² = 89819998591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89820002087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44910001343 + 44910001344.

It is an arithmetic number, because the mean of its divisors is an integer number (44910001344).

Almost surely, 2^89820002687 is an apocalyptic number.

89820002687 is a deficient number, since it is larger than the sum of its proper divisors (1).

89820002687 is an equidigital number, since it uses as much as digits as its factorization.

89820002687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 89820002687 in words is "eighty-nine billion, eight hundred twenty million, two thousand, six hundred eighty-seven".