85463661 has 16 divisors (see below), whose sum is σ = 117128000. Its totient is φ = 55399680.

The previous prime is 85463647. The next prime is 85463663. The reversal of 85463661 is 16636458.

It is not a de Polignac number, because 85463661 - 2⁷ = 85463533 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85463663) 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 in 15 ways as a sum of consecutive naturals, for example, 29715 + ... + 32463.

It is an arithmetic number, because the mean of its divisors is an integer number (7320500).

Almost surely, 2^85463661 is an apocalyptic number.

It is an amenable number.

85463661 is a deficient number, since it is larger than the sum of its proper divisors (31664339).

85463661 is a wasteful number, since it uses less digits than its factorization.

85463661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036.

The product of its digits is 103680, while the sum is 39.

The square root of 85463661 is about 9244.6558075463. The cubic root of 85463661 is about 440.4809840091.

The spelling of 85463661 in words is "eighty-five million, four hundred sixty-three thousand, six hundred sixty-one".