85166527 has 2 divisors, whose sum is σ = 85166528. Its totient is φ = 85166526.

The previous prime is 85166519. The next prime is 85166573. The reversal of 85166527 is 72566158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85166527 - 2³ = 85166519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85166527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85166507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42583263 + 42583264.

It is an arithmetic number, because the mean of its divisors is an integer number (42583264).

Almost surely, 2^85166527 is an apocalyptic number.

85166527 is a deficient number, since it is larger than the sum of its proper divisors (1).

85166527 is an equidigital number, since it uses as much as digits as its factorization.

85166527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The square root of 85166527 is about 9228.5712328616. The cubic root of 85166527 is about 439.9699135764.

The spelling of 85166527 in words is "eighty-five million, one hundred sixty-six thousand, five hundred twenty-seven".