83887099 has 2 divisors, whose sum is σ = 83887100. Its totient is φ = 83887098.

The previous prime is 83887093. The next prime is 83887123. The reversal of 83887099 is 99078838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83887099 - 2³ = 83887091 is a prime.

It is not a weakly prime, because it can be changed into another prime (83887091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41943549 + 41943550.

It is an arithmetic number, because the mean of its divisors is an integer number (41943550).

Almost surely, 2^83887099 is an apocalyptic number.

83887099 is a deficient number, since it is larger than the sum of its proper divisors (1).

83887099 is an equidigital number, since it uses as much as digits as its factorization.

83887099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 83887099 is about 9158.9900644121. The cubic root of 83887099 is about 437.7556148696.

The spelling of 83887099 in words is "eighty-three million, eight hundred eighty-seven thousand, ninety-nine".