85461887609 has 8 divisors (see below), whose sum is σ = 98042102400. Its totient is φ = 72974516256.

The previous prime is 85461887549. The next prime is 85461887629. The reversal of 85461887609 is 90678816458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85461887609 - 2⁸ = 85461887353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85461887629) 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, 23208884 + ... + 23212565.

It is an arithmetic number, because the mean of its divisors is an integer number (12255262800).

Almost surely, 2^85461887609 is an apocalyptic number.

It is an amenable number.

85461887609 is a deficient number, since it is larger than the sum of its proper divisors (12580214791).

85461887609 is a wasteful number, since it uses less digits than its factorization.

85461887609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46421719.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 85461887609 in words is "eighty-five billion, four hundred sixty-one million, eight hundred eighty-seven thousand, six hundred nine".