85566414 has 32 divisors (see below), whose sum is σ = 180817920. Its totient is φ = 26950112.

The previous prime is 85566409. The next prime is 85566421. The reversal of 85566414 is 41466558.

It is a happy number.

It is a super-2 number, since 2×85566414² = 14643222409638792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2947 + ... + 13409.

It is an arithmetic number, because the mean of its divisors is an integer number (5650560).

Almost surely, 2^85566414 is an apocalyptic number.

85566414 is an abundant number, since it is smaller than the sum of its proper divisors (95251506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85566414 is a wasteful number, since it uses less digits than its factorization.

85566414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544.

The product of its digits is 115200, while the sum is 39.

The square root of 85566414 is about 9250.2115651481. The cubic root of 85566414 is about 440.6574434740.

The spelling of 85566414 in words is "eighty-five million, five hundred sixty-six thousand, four hundred fourteen".