85914866 has 4 divisors (see below), whose sum is σ = 128872302. Its totient is φ = 42957432.

The previous prime is 85914863. The next prime is 85914869. The reversal of 85914866 is 66841958.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66841958 = 2 ⋅33420979.

It is an interprime number because it is at equal distance from previous prime (85914863) and next prime (85914869).

It can be written as a sum of positive squares in only one way, i.e., 64561225 + 21353641 = 8035^2 + 4621^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85914866.

It is not an unprimeable number, because it can be changed into a prime (85914863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21478715 + ... + 21478718.

Almost surely, 2^85914866 is an apocalyptic number.

85914866 is a deficient number, since it is larger than the sum of its proper divisors (42957436).

85914866 is a wasteful number, since it uses less digits than its factorization.

85914866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42957435.

The product of its digits is 414720, while the sum is 47.

The square root of 85914866 is about 9269.0272413021. The cubic root of 85914866 is about 441.2547962574.

The spelling of 85914866 in words is "eighty-five million, nine hundred fourteen thousand, eight hundred sixty-six".