83112587 has 2 divisors, whose sum is σ = 83112588. Its totient is φ = 83112586.

The previous prime is 83112583. The next prime is 83112599. The reversal of 83112587 is 78521138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83112587 - 2² = 83112583 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83112583) 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, 41556293 + 41556294.

It is an arithmetic number, because the mean of its divisors is an integer number (41556294).

Almost surely, 2^83112587 is an apocalyptic number.

83112587 is a deficient number, since it is larger than the sum of its proper divisors (1).

83112587 is an equidigital number, since it uses as much as digits as its factorization.

83112587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 83112587 is about 9116.6104995223. The cubic root of 83112587 is about 436.4042119479.

The spelling of 83112587 in words is "eighty-three million, one hundred twelve thousand, five hundred eighty-seven".