83008987 has 2 divisors, whose sum is σ = 83008988. Its totient is φ = 83008986.

The previous prime is 83008973. The next prime is 83008997. The reversal of 83008987 is 78980038.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83008987 - 2¹⁵ = 82976219 is a prime.

It is not a weakly prime, because it can be changed into another prime (83008907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41504493 + 41504494.

It is an arithmetic number, because the mean of its divisors is an integer number (41504494).

Almost surely, 2^83008987 is an apocalyptic number.

83008987 is a deficient number, since it is larger than the sum of its proper divisors (1).

83008987 is an equidigital number, since it uses as much as digits as its factorization.

83008987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 83008987 is about 9110.9267914960. The cubic root of 83008987 is about 436.2228103239. Note that the first 3 decimals are identical.

The spelling of 83008987 in words is "eighty-three million, eight thousand, nine hundred eighty-seven".