981482087 has 2 divisors, whose sum is σ = 981482088. Its totient is φ = 981482086.

The previous prime is 981482071. The next prime is 981482123. The reversal of 981482087 is 780284189.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 981482087 - 2⁴ = 981482071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981482587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490741043 + 490741044.

It is an arithmetic number, because the mean of its divisors is an integer number (490741044).

Almost surely, 2^981482087 is an apocalyptic number.

981482087 is a deficient number, since it is larger than the sum of its proper divisors (1).

981482087 is an equidigital number, since it uses as much as digits as its factorization.

981482087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 981482087 is about 31328.6145081457. The cubic root of 981482087 is about 993.7888639944.

The spelling of 981482087 in words is "nine hundred eighty-one million, four hundred eighty-two thousand, eighty-seven".