87034817 has 2 divisors, whose sum is σ = 87034818. Its totient is φ = 87034816.

The previous prime is 87034793. The next prime is 87034819. The reversal of 87034817 is 71843078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83466496 + 3568321 = 9136^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 87034817 - 2¹⁴ = 87018433 is a prime.

Together with 87034819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87034819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43517408 + 43517409.

It is an arithmetic number, because the mean of its divisors is an integer number (43517409).

Almost surely, 2^87034817 is an apocalyptic number.

It is an amenable number.

87034817 is a deficient number, since it is larger than the sum of its proper divisors (1).

87034817 is an equidigital number, since it uses as much as digits as its factorization.

87034817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 87034817 is about 9329.2452535026. The cubic root of 87034817 is about 443.1638637822.

The spelling of 87034817 in words is "eighty-seven million, thirty-four thousand, eight hundred seventeen".