87170627 has 2 divisors, whose sum is σ = 87170628. Its totient is φ = 87170626.

The previous prime is 87170623. The next prime is 87170669. The reversal of 87170627 is 72607178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87170627 - 2² = 87170623 is a prime.

It is not a weakly prime, because it can be changed into another prime (87170623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43585313 + 43585314.

It is an arithmetic number, because the mean of its divisors is an integer number (43585314).

Almost surely, 2^87170627 is an apocalyptic number.

87170627 is a deficient number, since it is larger than the sum of its proper divisors (1).

87170627 is an equidigital number, since it uses as much as digits as its factorization.

87170627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 87170627 is about 9336.5211401249. The cubic root of 87170627 is about 443.3942497684.

The spelling of 87170627 in words is "eighty-seven million, one hundred seventy thousand, six hundred twenty-seven".