87076673 has 2 divisors, whose sum is σ = 87076674. Its totient is φ = 87076672.

The previous prime is 87076657. The next prime is 87076681. The reversal of 87076673 is 37667078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74770609 + 12306064 = 8647^2 + 3508^2 .

It is a cyclic number.

It is not a de Polignac number, because 87076673 - 2⁴ = 87076657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (87076273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43538336 + 43538337.

It is an arithmetic number, because the mean of its divisors is an integer number (43538337).

Almost surely, 2^87076673 is an apocalyptic number.

It is an amenable number.

87076673 is a deficient number, since it is larger than the sum of its proper divisors (1).

87076673 is an equidigital number, since it uses as much as digits as its factorization.

87076673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 87076673 is about 9331.4882521493. The cubic root of 87076673 is about 443.2348931879.

The spelling of 87076673 in words is "eighty-seven million, seventy-six thousand, six hundred seventy-three".