84883987 has 2 divisors, whose sum is σ = 84883988. Its totient is φ = 84883986.

The previous prime is 84883973. The next prime is 84883991. The reversal of 84883987 is 78938848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84883987 - 2¹⁵ = 84851219 is a prime.

It is not a weakly prime, because it can be changed into another prime (84883937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42441993 + 42441994.

It is an arithmetic number, because the mean of its divisors is an integer number (42441994).

Almost surely, 2^84883987 is an apocalyptic number.

84883987 is a deficient number, since it is larger than the sum of its proper divisors (1).

84883987 is an equidigital number, since it uses as much as digits as its factorization.

84883987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 55.

The square root of 84883987 is about 9213.2506207093. The cubic root of 84883987 is about 439.4828410811.

The spelling of 84883987 in words is "eighty-four million, eight hundred eighty-three thousand, nine hundred eighty-seven".