85461678566 has 16 divisors (see below), whose sum is σ = 140654749968. Its totient is φ = 38621671200.

The previous prime is 85461678541. The next prime is 85461678569. The reversal of 85461678566 is 66587616458.

It is a junction number, because it is equal to n+sod(n) for n = 85461678499 and 85461678508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85461678569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11223425 + ... + 11231036.

It is an arithmetic number, because the mean of its divisors is an integer number (8790921873).

Almost surely, 2^85461678566 is an apocalyptic number.

85461678566 is a deficient number, since it is larger than the sum of its proper divisors (55193071402).

85461678566 is a wasteful number, since it uses less digits than its factorization.

85461678566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22454647.

The product of its digits is 58060800, while the sum is 62.

The spelling of 85461678566 in words is "eighty-five billion, four hundred sixty-one million, six hundred seventy-eight thousand, five hundred sixty-six".