87016499 has 2 divisors, whose sum is σ = 87016500. Its totient is φ = 87016498.

The previous prime is 87016487. The next prime is 87016507. The reversal of 87016499 is 99461078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87016499 - 2⁴ = 87016483 is a prime.

It is not a weakly prime, because it can be changed into another prime (87016459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43508249 + 43508250.

It is an arithmetic number, because the mean of its divisors is an integer number (43508250).

Almost surely, 2^87016499 is an apocalyptic number.

87016499 is a deficient number, since it is larger than the sum of its proper divisors (1).

87016499 is an equidigital number, since it uses as much as digits as its factorization.

87016499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 87016499 is about 9328.2634503963. The cubic root of 87016499 is about 443.1327710712.

The spelling of 87016499 in words is "eighty-seven million, sixteen thousand, four hundred ninety-nine".