85090966 has 4 divisors (see below), whose sum is σ = 127636452. Its totient is φ = 42545482.

The previous prime is 85090963. The next prime is 85090969. The reversal of 85090966 is 66909058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66909058 = 2 ⋅33454529.

It is an interprime number because it is at equal distance from previous prime (85090963) and next prime (85090969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85090963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21272740 + ... + 21272743.

It is an arithmetic number, because the mean of its divisors is an integer number (31909113).

Almost surely, 2^85090966 is an apocalyptic number.

85090966 is a deficient number, since it is larger than the sum of its proper divisors (42545486).

85090966 is a wasteful number, since it uses less digits than its factorization.

85090966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42545485.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 85090966 is about 9224.4764621088. The cubic root of 85090966 is about 439.8397591431.

The spelling of 85090966 in words is "eighty-five million, ninety thousand, nine hundred sixty-six".