87600817 has 2 divisors, whose sum is σ = 87600818. Its totient is φ = 87600816.

The previous prime is 87600743. The next prime is 87600827. The reversal of 87600817 is 71800678.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68161536 + 19439281 = 8256^2 + 4409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87600817 is a prime.

It is not a weakly prime, because it can be changed into another prime (87600827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43800408 + 43800409.

It is an arithmetic number, because the mean of its divisors is an integer number (43800409).

Almost surely, 2^87600817 is an apocalyptic number.

It is an amenable number.

87600817 is a deficient number, since it is larger than the sum of its proper divisors (1).

87600817 is an equidigital number, since it uses as much as digits as its factorization.

87600817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 87600817 is about 9359.5308108900. The cubic root of 87600817 is about 444.1224417472.

The spelling of 87600817 in words is "eighty-seven million, six hundred thousand, eight hundred seventeen".